Home / 384,941.92-577,386.96-135,591.52

Finding the Fourth Proportional to 384,941.92, 577,386.96 and 135,591.52

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Solution

The fourth proportional to 384,941.92, 577,386.96 and 135,591.52 is: 203,378.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,941.92 : 577,386.96 = 135,591.52 : x
  2. Step 2: Convert to fraction form
    384,941.92/577,386.96 = 135,591.52/x
  3. Step 3: Cross multiply
    384,941.92x = 577,386.96 × 135,591.52
  4. Step 4: Simplify right side
    384,941.92x = 78,288,775,534.58
  5. Step 5: Solve for x
    x = 78,288,775,534.58/384,941.92
  6. Step 6: Final answer
    x = 203,378.15

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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.