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Finding the Fourth Proportional to 388,002.60, 582,176.70 and 177,532.20

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Solution

The fourth proportional to 388,002.60, 582,176.70 and 177,532.20 is: 266,377.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,002.60 : 582,176.70 = 177,532.20 : x
  2. Step 2: Convert to fraction form
    388,002.60/582,176.70 = 177,532.20/x
  3. Step 3: Cross multiply
    388,002.60x = 582,176.70 × 177,532.20
  4. Step 4: Simplify right side
    388,002.60x = 103,355,110,339.74
  5. Step 5: Solve for x
    x = 103,355,110,339.74/388,002.60
  6. Step 6: Final answer
    x = 266,377.37

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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.