Home / 487,261.52-731,018.40-150,294.80

Finding the Fourth Proportional to 487,261.52, 731,018.40 and 150,294.80

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Solution

The fourth proportional to 487,261.52, 731,018.40 and 150,294.80 is: 225,481.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,261.52 : 731,018.40 = 150,294.80 : x
  2. Step 2: Convert to fraction form
    487,261.52/731,018.40 = 150,294.80/x
  3. Step 3: Cross multiply
    487,261.52x = 731,018.40 × 150,294.80
  4. Step 4: Simplify right side
    487,261.52x = 109,868,264,224.32
  5. Step 5: Solve for x
    x = 109,868,264,224.32/487,261.52
  6. Step 6: Final answer
    x = 225,481.10

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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.