Home / 385,282.04-577,779.38-132,490.96

Finding the Fourth Proportional to 385,282.04, 577,779.38 and 132,490.96

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Solution

The fourth proportional to 385,282.04, 577,779.38 and 132,490.96 is: 198,687.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,282.04 : 577,779.38 = 132,490.96 : x
  2. Step 2: Convert to fraction form
    385,282.04/577,779.38 = 132,490.96/x
  3. Step 3: Cross multiply
    385,282.04x = 577,779.38 × 132,490.96
  4. Step 4: Simplify right side
    385,282.04x = 76,550,543,114.34
  5. Step 5: Solve for x
    x = 76,550,543,114.34/385,282.04
  6. Step 6: Final answer
    x = 198,687.03

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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.