Home / 385,283.04-577,780.88-132,491.96

Finding the Fourth Proportional to 385,283.04, 577,780.88 and 132,491.96

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Solution

The fourth proportional to 385,283.04, 577,780.88 and 132,491.96 is: 198,688.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,283.04 : 577,780.88 = 132,491.96 : x
  2. Step 2: Convert to fraction form
    385,283.04/577,780.88 = 132,491.96/x
  3. Step 3: Cross multiply
    385,283.04x = 577,780.88 × 132,491.96
  4. Step 4: Simplify right side
    385,283.04x = 76,551,321,241.72
  5. Step 5: Solve for x
    x = 76,551,321,241.72/385,283.04
  6. Step 6: Final answer
    x = 198,688.53

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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.