Home / 476,185.65-656,949.12-272,127.09

Finding the Fourth Proportional to 476,185.65, 656,949.12 and 272,127.09

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Solution

The fourth proportional to 476,185.65, 656,949.12 and 272,127.09 is: 375,428.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,185.65 : 656,949.12 = 272,127.09 : x
  2. Step 2: Convert to fraction form
    476,185.65/656,949.12 = 272,127.09/x
  3. Step 3: Cross multiply
    476,185.65x = 656,949.12 × 272,127.09
  4. Step 4: Simplify right side
    476,185.65x = 178,773,654,590.39
  5. Step 5: Solve for x
    x = 178,773,654,590.39/476,185.65
  6. Step 6: Final answer
    x = 375,428.48

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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.