Home / 325,126.16-487,639.96-88,487.28

Finding the Fourth Proportional to 325,126.16, 487,639.96 and 88,487.28

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Solution

The fourth proportional to 325,126.16, 487,639.96 and 88,487.28 is: 132,717.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,126.16 : 487,639.96 = 88,487.28 : x
  2. Step 2: Convert to fraction form
    325,126.16/487,639.96 = 88,487.28/x
  3. Step 3: Cross multiply
    325,126.16x = 487,639.96 × 88,487.28
  4. Step 4: Simplify right side
    325,126.16x = 43,149,930,799.07
  5. Step 5: Solve for x
    x = 43,149,930,799.07/325,126.16
  6. Step 6: Final answer
    x = 132,717.50

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1.5x scale

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.