Home / 478,232.03-717,442.65-136,678.52

Finding the Fourth Proportional to 478,232.03, 717,442.65 and 136,678.52

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Solution

The fourth proportional to 478,232.03, 717,442.65 and 136,678.52 is: 205,044.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,232.03 : 717,442.65 = 136,678.52 : x
  2. Step 2: Convert to fraction form
    478,232.03/717,442.65 = 136,678.52/x
  3. Step 3: Cross multiply
    478,232.03x = 717,442.65 × 136,678.52
  4. Step 4: Simplify right side
    478,232.03x = 98,059,001,380.48
  5. Step 5: Solve for x
    x = 98,059,001,380.48/478,232.03
  6. Step 6: Final answer
    x = 205,044.82

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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.