Home / 515,264.72-773,027.88-160,281.40

Finding the Fourth Proportional to 515,264.72, 773,027.88 and 160,281.40

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Solution

The fourth proportional to 515,264.72, 773,027.88 and 160,281.40 is: 240,462.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,264.72 : 773,027.88 = 160,281.40 : x
  2. Step 2: Convert to fraction form
    515,264.72/773,027.88 = 160,281.40/x
  3. Step 3: Cross multiply
    515,264.72x = 773,027.88 × 160,281.40
  4. Step 4: Simplify right side
    515,264.72x = 123,901,990,845.43
  5. Step 5: Solve for x
    x = 123,901,990,845.43/515,264.72
  6. Step 6: Final answer
    x = 240,462.79

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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.