Home / 399,856.20-600,045.37-147,139.23

Finding the Fourth Proportional to 399,856.20, 600,045.37 and 147,139.23

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Solution

The fourth proportional to 399,856.20, 600,045.37 and 147,139.23 is: 220,804.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,856.20 : 600,045.37 = 147,139.23 : x
  2. Step 2: Convert to fraction form
    399,856.20/600,045.37 = 147,139.23/x
  3. Step 3: Cross multiply
    399,856.20x = 600,045.37 × 147,139.23
  4. Step 4: Simplify right side
    399,856.20x = 88,290,215,589.19
  5. Step 5: Solve for x
    x = 88,290,215,589.19/399,856.20
  6. Step 6: Final answer
    x = 220,804.92

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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.