Home / 399,714.27-551,637.15-227,639.52

Finding the Fourth Proportional to 399,714.27, 551,637.15 and 227,639.52

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Solution

The fourth proportional to 399,714.27, 551,637.15 and 227,639.52 is: 314,160.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,714.27 : 551,637.15 = 227,639.52 : x
  2. Step 2: Convert to fraction form
    399,714.27/551,637.15 = 227,639.52/x
  3. Step 3: Cross multiply
    399,714.27x = 551,637.15 × 227,639.52
  4. Step 4: Simplify right side
    399,714.27x = 125,574,416,040.17
  5. Step 5: Solve for x
    x = 125,574,416,040.17/399,714.27
  6. Step 6: Final answer
    x = 314,160.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.