Home / 515,635.20-773,363.52-141,570.72

Finding the Fourth Proportional to 515,635.20, 773,363.52 and 141,570.72

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Solution

The fourth proportional to 515,635.20, 773,363.52 and 141,570.72 is: 212,331.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,635.20 : 773,363.52 = 141,570.72 : x
  2. Step 2: Convert to fraction form
    515,635.20/773,363.52 = 141,570.72/x
  3. Step 3: Cross multiply
    515,635.20x = 773,363.52 × 141,570.72
  4. Step 4: Simplify right side
    515,635.20x = 109,485,630,348.13
  5. Step 5: Solve for x
    x = 109,485,630,348.13/515,635.20
  6. Step 6: Final answer
    x = 212,331.57

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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.