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Finding the Fourth Proportional to 144,870.40, 217,305.60 and 97,868.80

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Solution

The fourth proportional to 144,870.40, 217,305.60 and 97,868.80 is: 146,803.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,870.40 : 217,305.60 = 97,868.80 : x
  2. Step 2: Convert to fraction form
    144,870.40/217,305.60 = 97,868.80/x
  3. Step 3: Cross multiply
    144,870.40x = 217,305.60 × 97,868.80
  4. Step 4: Simplify right side
    144,870.40x = 21,267,438,305.28
  5. Step 5: Solve for x
    x = 21,267,438,305.28/144,870.40
  6. Step 6: Final answer
    x = 146,803.20

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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.