Home / 388,679.76-582,743.43-148,591.23

Finding the Fourth Proportional to 388,679.76, 582,743.43 and 148,591.23

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Solution

The fourth proportional to 388,679.76, 582,743.43 and 148,591.23 is: 222,781.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,679.76 : 582,743.43 = 148,591.23 : x
  2. Step 2: Convert to fraction form
    388,679.76/582,743.43 = 148,591.23/x
  3. Step 3: Cross multiply
    388,679.76x = 582,743.43 × 148,591.23
  4. Step 4: Simplify right side
    388,679.76x = 86,590,563,038.12
  5. Step 5: Solve for x
    x = 86,590,563,038.12/388,679.76
  6. Step 6: Final answer
    x = 222,781.25

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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.