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Finding the Fourth Proportional to 225,496.69, 338,272.84 and 73,690.18

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Solution

The fourth proportional to 225,496.69, 338,272.84 and 73,690.18 is: 110,544.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,496.69 : 338,272.84 = 73,690.18 : x
  2. Step 2: Convert to fraction form
    225,496.69/338,272.84 = 73,690.18/x
  3. Step 3: Cross multiply
    225,496.69x = 338,272.84 × 73,690.18
  4. Step 4: Simplify right side
    225,496.69x = 24,927,385,715.14
  5. Step 5: Solve for x
    x = 24,927,385,715.14/225,496.69
  6. Step 6: Final answer
    x = 110,544.35

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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.