Home / 317,908.19-476,861.07-81,250.49

Finding the Fourth Proportional to 317,908.19, 476,861.07 and 81,250.49

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Solution

The fourth proportional to 317,908.19, 476,861.07 and 81,250.49 is: 121,875.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,908.19 : 476,861.07 = 81,250.49 : x
  2. Step 2: Convert to fraction form
    317,908.19/476,861.07 = 81,250.49/x
  3. Step 3: Cross multiply
    317,908.19x = 476,861.07 × 81,250.49
  4. Step 4: Simplify right side
    317,908.19x = 38,745,197,096.27
  5. Step 5: Solve for x
    x = 38,745,197,096.27/317,908.19
  6. Step 6: Final answer
    x = 121,875.43

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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.