Home / 421,046.10-631,569.15-243,461.70

Finding the Fourth Proportional to 421,046.10, 631,569.15 and 243,461.70

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Solution

The fourth proportional to 421,046.10, 631,569.15 and 243,461.70 is: 365,192.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,046.10 : 631,569.15 = 243,461.70 : x
  2. Step 2: Convert to fraction form
    421,046.10/631,569.15 = 243,461.70/x
  3. Step 3: Cross multiply
    421,046.10x = 631,569.15 × 243,461.70
  4. Step 4: Simplify right side
    421,046.10x = 153,762,898,926.56
  5. Step 5: Solve for x
    x = 153,762,898,926.56/421,046.10
  6. Step 6: Final answer
    x = 365,192.55

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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.