Home / 515,261.71-773,023.38-160,278.40

Finding the Fourth Proportional to 515,261.71, 773,023.38 and 160,278.40

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Solution

The fourth proportional to 515,261.71, 773,023.38 and 160,278.40 is: 240,458.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,261.71 : 773,023.38 = 160,278.40 : x
  2. Step 2: Convert to fraction form
    515,261.71/773,023.38 = 160,278.40/x
  3. Step 3: Cross multiply
    515,261.71x = 773,023.38 × 160,278.40
  4. Step 4: Simplify right side
    515,261.71x = 123,898,950,508.99
  5. Step 5: Solve for x
    x = 123,898,950,508.99/515,261.71
  6. Step 6: Final answer
    x = 240,458.29

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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.