Home / 388,230.90-582,674.40-151,743.30

Finding the Fourth Proportional to 388,230.90, 582,674.40 and 151,743.30

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Solution

The fourth proportional to 388,230.90, 582,674.40 and 151,743.30 is: 227,743.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,230.90 : 582,674.40 = 151,743.30 : x
  2. Step 2: Convert to fraction form
    388,230.90/582,674.40 = 151,743.30/x
  3. Step 3: Cross multiply
    388,230.90x = 582,674.40 × 151,743.30
  4. Step 4: Simplify right side
    388,230.90x = 88,416,936,281.52
  5. Step 5: Solve for x
    x = 88,416,936,281.52/388,230.90
  6. Step 6: Final answer
    x = 227,743.17

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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.