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Finding the Fourth Proportional to 322,597.20, 483,895.80 and 97,957.20

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Solution

The fourth proportional to 322,597.20, 483,895.80 and 97,957.20 is: 146,935.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,597.20 : 483,895.80 = 97,957.20 : x
  2. Step 2: Convert to fraction form
    322,597.20/483,895.80 = 97,957.20/x
  3. Step 3: Cross multiply
    322,597.20x = 483,895.80 × 97,957.20
  4. Step 4: Simplify right side
    322,597.20x = 47,401,077,659.76
  5. Step 5: Solve for x
    x = 47,401,077,659.76/322,597.20
  6. Step 6: Final answer
    x = 146,935.80

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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.