Home / 296,925.10-445,344.45-86,541.10

Finding the Fourth Proportional to 296,925.10, 445,344.45 and 86,541.10

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Solution

The fourth proportional to 296,925.10, 445,344.45 and 86,541.10 is: 129,799.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,925.10 : 445,344.45 = 86,541.10 : x
  2. Step 2: Convert to fraction form
    296,925.10/445,344.45 = 86,541.10/x
  3. Step 3: Cross multiply
    296,925.10x = 445,344.45 × 86,541.10
  4. Step 4: Simplify right side
    296,925.10x = 38,540,598,581.90
  5. Step 5: Solve for x
    x = 38,540,598,581.90/296,925.10
  6. Step 6: Final answer
    x = 129,799.06

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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.