Home / 374,456.04-517,019.96-231,412.20

Finding the Fourth Proportional to 374,456.04, 517,019.96 and 231,412.20

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Solution

The fourth proportional to 374,456.04, 517,019.96 and 231,412.20 is: 319,516.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,456.04 : 517,019.96 = 231,412.20 : x
  2. Step 2: Convert to fraction form
    374,456.04/517,019.96 = 231,412.20/x
  3. Step 3: Cross multiply
    374,456.04x = 517,019.96 × 231,412.20
  4. Step 4: Simplify right side
    374,456.04x = 119,644,726,387.51
  5. Step 5: Solve for x
    x = 119,644,726,387.51/374,456.04
  6. Step 6: Final answer
    x = 319,516.08

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1.5x scale

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.