Home / 487,910.10-731,865.15-251,714.10

Finding the Fourth Proportional to 487,910.10, 731,865.15 and 251,714.10

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Solution

The fourth proportional to 487,910.10, 731,865.15 and 251,714.10 is: 377,571.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,910.10 : 731,865.15 = 251,714.10 : x
  2. Step 2: Convert to fraction form
    487,910.10/731,865.15 = 251,714.10/x
  3. Step 3: Cross multiply
    487,910.10x = 731,865.15 × 251,714.10
  4. Step 4: Simplify right side
    487,910.10x = 184,220,777,553.62
  5. Step 5: Solve for x
    x = 184,220,777,553.62/487,910.10
  6. Step 6: Final answer
    x = 377,571.15

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Similar ratio
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1.5x scale

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.