Home / 387,972.56-582,269.88-201,037.52

Finding the Fourth Proportional to 387,972.56, 582,269.88 and 201,037.52

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Solution

The fourth proportional to 387,972.56, 582,269.88 and 201,037.52 is: 301,717.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,972.56 : 582,269.88 = 201,037.52 : x
  2. Step 2: Convert to fraction form
    387,972.56/582,269.88 = 201,037.52/x
  3. Step 3: Cross multiply
    387,972.56x = 582,269.88 × 201,037.52
  4. Step 4: Simplify right side
    387,972.56x = 117,058,092,645.90
  5. Step 5: Solve for x
    x = 117,058,092,645.90/387,972.56
  6. Step 6: Final answer
    x = 301,717.45

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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.