Home / 317,574.28-476,399.94-140,125.96

Finding the Fourth Proportional to 317,574.28, 476,399.94 and 140,125.96

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Solution

The fourth proportional to 317,574.28, 476,399.94 and 140,125.96 is: 210,205.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,574.28 : 476,399.94 = 140,125.96 : x
  2. Step 2: Convert to fraction form
    317,574.28/476,399.94 = 140,125.96/x
  3. Step 3: Cross multiply
    317,574.28x = 476,399.94 × 140,125.96
  4. Step 4: Simplify right side
    317,574.28x = 66,755,998,936.44
  5. Step 5: Solve for x
    x = 66,755,998,936.44/317,574.28
  6. Step 6: Final answer
    x = 210,205.94

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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.