Home / 487,929.54-731,712.29-167,991.04

Finding the Fourth Proportional to 487,929.54, 731,712.29 and 167,991.04

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Solution

The fourth proportional to 487,929.54, 731,712.29 and 167,991.04 is: 251,923.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,929.54 : 731,712.29 = 167,991.04 : x
  2. Step 2: Convert to fraction form
    487,929.54/731,712.29 = 167,991.04/x
  3. Step 3: Cross multiply
    487,929.54x = 731,712.29 × 167,991.04
  4. Step 4: Simplify right side
    487,929.54x = 122,921,105,908.65
  5. Step 5: Solve for x
    x = 122,921,105,908.65/487,929.54
  6. Step 6: Final answer
    x = 251,923.89

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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.