Home / 395,168.08-592,454.04-128,769.52

Finding the Fourth Proportional to 395,168.08, 592,454.04 and 128,769.52

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Solution

The fourth proportional to 395,168.08, 592,454.04 and 128,769.52 is: 193,057.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,168.08 : 592,454.04 = 128,769.52 : x
  2. Step 2: Convert to fraction form
    395,168.08/592,454.04 = 128,769.52/x
  3. Step 3: Cross multiply
    395,168.08x = 592,454.04 × 128,769.52
  4. Step 4: Simplify right side
    395,168.08x = 76,290,022,352.86
  5. Step 5: Solve for x
    x = 76,290,022,352.86/395,168.08
  6. Step 6: Final answer
    x = 193,057.15

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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.