Home / 252,720-379,101.87-65,731.50

Finding the Fourth Proportional to 252,720, 379,101.87 and 65,731.50

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Solution

The fourth proportional to 252,720, 379,101.87 and 65,731.50 is: 98,602.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,720 : 379,101.87 = 65,731.50 : x
  2. Step 2: Convert to fraction form
    252,720/379,101.87 = 65,731.50/x
  3. Step 3: Cross multiply
    252,720x = 379,101.87 × 65,731.50
  4. Step 4: Simplify right side
    252,720x = 24,918,934,567.91
  5. Step 5: Solve for x
    x = 24,918,934,567.91/252,720
  6. Step 6: Final answer
    x = 98,602.94

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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.