Home / 458,998.80-688,152.60-192,541.20

Finding the Fourth Proportional to 458,998.80, 688,152.60 and 192,541.20

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Solution

The fourth proportional to 458,998.80, 688,152.60 and 192,541.20 is: 288,666.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,998.80 : 688,152.60 = 192,541.20 : x
  2. Step 2: Convert to fraction form
    458,998.80/688,152.60 = 192,541.20/x
  3. Step 3: Cross multiply
    458,998.80x = 688,152.60 × 192,541.20
  4. Step 4: Simplify right side
    458,998.80x = 132,497,727,387.12
  5. Step 5: Solve for x
    x = 132,497,727,387.12/458,998.80
  6. Step 6: Final answer
    x = 288,666.83

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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.