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Finding the Fourth Proportional to 463,630.19, 695,445.28 and 253,153.31

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Solution

The fourth proportional to 463,630.19, 695,445.28 and 253,153.31 is: 379,729.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,630.19 : 695,445.28 = 253,153.31 : x
  2. Step 2: Convert to fraction form
    463,630.19/695,445.28 = 253,153.31/x
  3. Step 3: Cross multiply
    463,630.19x = 695,445.28 × 253,153.31
  4. Step 4: Simplify right side
    463,630.19x = 176,054,270,445.77
  5. Step 5: Solve for x
    x = 176,054,270,445.77/463,630.19
  6. Step 6: Final answer
    x = 379,729.96

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Similar ratio
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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.