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Finding the Fourth Proportional to 554,501.40, 831,752.16 and 217,700.88

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Solution

The fourth proportional to 554,501.40, 831,752.16 and 217,700.88 is: 326,551.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,501.40 : 831,752.16 = 217,700.88 : x
  2. Step 2: Convert to fraction form
    554,501.40/831,752.16 = 217,700.88/x
  3. Step 3: Cross multiply
    554,501.40x = 831,752.16 × 217,700.88
  4. Step 4: Simplify right side
    554,501.40x = 181,073,177,173.90
  5. Step 5: Solve for x
    x = 181,073,177,173.90/554,501.40
  6. Step 6: Final answer
    x = 326,551.34

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.