Home / 388,002.90-582,091.92-118,155.18

Finding the Fourth Proportional to 388,002.90, 582,091.92 and 118,155.18

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Solution

The fourth proportional to 388,002.90, 582,091.92 and 118,155.18 is: 177,259.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,002.90 : 582,091.92 = 118,155.18 : x
  2. Step 2: Convert to fraction form
    388,002.90/582,091.92 = 118,155.18/x
  3. Step 3: Cross multiply
    388,002.90x = 582,091.92 × 118,155.18
  4. Step 4: Simplify right side
    388,002.90x = 68,777,176,129.86
  5. Step 5: Solve for x
    x = 68,777,176,129.86/388,002.90
  6. Step 6: Final answer
    x = 177,259.44

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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.