Home / 259,919.28-389,651.04-124,915.77

Finding the Fourth Proportional to 259,919.28, 389,651.04 and 124,915.77

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Solution

The fourth proportional to 259,919.28, 389,651.04 and 124,915.77 is: 187,264.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,919.28 : 389,651.04 = 124,915.77 : x
  2. Step 2: Convert to fraction form
    259,919.28/389,651.04 = 124,915.77/x
  3. Step 3: Cross multiply
    259,919.28x = 389,651.04 × 124,915.77
  4. Step 4: Simplify right side
    259,919.28x = 48,673,559,692.90
  5. Step 5: Solve for x
    x = 48,673,559,692.90/259,919.28
  6. Step 6: Final answer
    x = 187,264.14

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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.