Home / 442,519.20-610,731.36-270,401.76

Finding the Fourth Proportional to 442,519.20, 610,731.36 and 270,401.76

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Solution

The fourth proportional to 442,519.20, 610,731.36 and 270,401.76 is: 373,187.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,519.20 : 610,731.36 = 270,401.76 : x
  2. Step 2: Convert to fraction form
    442,519.20/610,731.36 = 270,401.76/x
  3. Step 3: Cross multiply
    442,519.20x = 610,731.36 × 270,401.76
  4. Step 4: Simplify right side
    442,519.20x = 165,142,834,631.19
  5. Step 5: Solve for x
    x = 165,142,834,631.19/442,519.20
  6. Step 6: Final answer
    x = 373,187.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.