Home / 325,302.16-487,578.78-125,534.20

Finding the Fourth Proportional to 325,302.16, 487,578.78 and 125,534.20

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Solution

The fourth proportional to 325,302.16, 487,578.78 and 125,534.20 is: 188,156.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,302.16 : 487,578.78 = 125,534.20 : x
  2. Step 2: Convert to fraction form
    325,302.16/487,578.78 = 125,534.20/x
  3. Step 3: Cross multiply
    325,302.16x = 487,578.78 × 125,534.20
  4. Step 4: Simplify right side
    325,302.16x = 61,207,812,084.28
  5. Step 5: Solve for x
    x = 61,207,812,084.28/325,302.16
  6. Step 6: Final answer
    x = 188,156.80

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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.