Home / 385,070.08-577,482.27-132,289.60

Finding the Fourth Proportional to 385,070.08, 577,482.27 and 132,289.60

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Solution

The fourth proportional to 385,070.08, 577,482.27 and 132,289.60 is: 198,392.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,070.08 : 577,482.27 = 132,289.60 : x
  2. Step 2: Convert to fraction form
    385,070.08/577,482.27 = 132,289.60/x
  3. Step 3: Cross multiply
    385,070.08x = 577,482.27 × 132,289.60
  4. Step 4: Simplify right side
    385,070.08x = 76,394,898,505.39
  5. Step 5: Solve for x
    x = 76,394,898,505.39/385,070.08
  6. Step 6: Final answer
    x = 198,392.20

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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.