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Finding the Fourth Proportional to 225,159.24, 338,125.64 and 199,915.59

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Solution

The fourth proportional to 225,159.24, 338,125.64 and 199,915.59 is: 300,216.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,159.24 : 338,125.64 = 199,915.59 : x
  2. Step 2: Convert to fraction form
    225,159.24/338,125.64 = 199,915.59/x
  3. Step 3: Cross multiply
    225,159.24x = 338,125.64 × 199,915.59
  4. Step 4: Simplify right side
    225,159.24x = 67,596,586,814.73
  5. Step 5: Solve for x
    x = 67,596,586,814.73/225,159.24
  6. Step 6: Final answer
    x = 300,216.80

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1.5x scale

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.