Home / 399,890.04-551,851.94-227,805.46

Finding the Fourth Proportional to 399,890.04, 551,851.94 and 227,805.46

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Solution

The fourth proportional to 399,890.04, 551,851.94 and 227,805.46 is: 314,373.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,890.04 : 551,851.94 = 227,805.46 : x
  2. Step 2: Convert to fraction form
    399,890.04/551,851.94 = 227,805.46/x
  3. Step 3: Cross multiply
    399,890.04x = 551,851.94 × 227,805.46
  4. Step 4: Simplify right side
    399,890.04x = 125,714,881,145.31
  5. Step 5: Solve for x
    x = 125,714,881,145.31/399,890.04
  6. Step 6: Final answer
    x = 314,373.62

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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.