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Finding the Fourth Proportional to 150,491.91, 225,767.54 and 55,722.93

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Solution

The fourth proportional to 150,491.91, 225,767.54 and 55,722.93 is: 83,595.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,491.91 : 225,767.54 = 55,722.93 : x
  2. Step 2: Convert to fraction form
    150,491.91/225,767.54 = 55,722.93/x
  3. Step 3: Cross multiply
    150,491.91x = 225,767.54 × 55,722.93
  4. Step 4: Simplify right side
    150,491.91x = 12,580,428,827.69
  5. Step 5: Solve for x
    x = 12,580,428,827.69/150,491.91
  6. Step 6: Final answer
    x = 83,595.38

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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.