Home / 383,239.28-574,947.90-130,521.95

Finding the Fourth Proportional to 383,239.28, 574,947.90 and 130,521.95

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Solution

The fourth proportional to 383,239.28, 574,947.90 and 130,521.95 is: 195,813.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,239.28 : 574,947.90 = 130,521.95 : x
  2. Step 2: Convert to fraction form
    383,239.28/574,947.90 = 130,521.95/x
  3. Step 3: Cross multiply
    383,239.28x = 574,947.90 × 130,521.95
  4. Step 4: Simplify right side
    383,239.28x = 75,043,323,228.98
  5. Step 5: Solve for x
    x = 75,043,323,228.98/383,239.28
  6. Step 6: Final answer
    x = 195,813.24

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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.