Home / 436,282.01-654,423.20-136,785.94

Finding the Fourth Proportional to 436,282.01, 654,423.20 and 136,785.94

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Solution

The fourth proportional to 436,282.01, 654,423.20 and 136,785.94 is: 205,178.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,282.01 : 654,423.20 = 136,785.94 : x
  2. Step 2: Convert to fraction form
    436,282.01/654,423.20 = 136,785.94/x
  3. Step 3: Cross multiply
    436,282.01x = 654,423.20 × 136,785.94
  4. Step 4: Simplify right side
    436,282.01x = 89,515,891,275.71
  5. Step 5: Solve for x
    x = 89,515,891,275.71/436,282.01
  6. Step 6: Final answer
    x = 205,178.97

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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.