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Finding the Fourth Proportional to 150,788.80, 225,855.15 and 121,264.30

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Solution

The fourth proportional to 150,788.80, 225,855.15 and 121,264.30 is: 181,632.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,788.80 : 225,855.15 = 121,264.30 : x
  2. Step 2: Convert to fraction form
    150,788.80/225,855.15 = 121,264.30/x
  3. Step 3: Cross multiply
    150,788.80x = 225,855.15 × 121,264.30
  4. Step 4: Simplify right side
    150,788.80x = 27,388,166,666.15
  5. Step 5: Solve for x
    x = 27,388,166,666.15/150,788.80
  6. Step 6: Final answer
    x = 181,632.63

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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.