Home / 499,145.40-748,827.45-199,550.70

Finding the Fourth Proportional to 499,145.40, 748,827.45 and 199,550.70

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Solution

The fourth proportional to 499,145.40, 748,827.45 and 199,550.70 is: 299,369.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,145.40 : 748,827.45 = 199,550.70 : x
  2. Step 2: Convert to fraction form
    499,145.40/748,827.45 = 199,550.70/x
  3. Step 3: Cross multiply
    499,145.40x = 748,827.45 × 199,550.70
  4. Step 4: Simplify right side
    499,145.40x = 149,429,041,826.72
  5. Step 5: Solve for x
    x = 149,429,041,826.72/499,145.40
  6. Step 6: Final answer
    x = 299,369.77

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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.