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Finding the Fourth Proportional to 154,502.20, 231,926.10 and 144,350.20

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Solution

The fourth proportional to 154,502.20, 231,926.10 and 144,350.20 is: 216,686.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,502.20 : 231,926.10 = 144,350.20 : x
  2. Step 2: Convert to fraction form
    154,502.20/231,926.10 = 144,350.20/x
  3. Step 3: Cross multiply
    154,502.20x = 231,926.10 × 144,350.20
  4. Step 4: Simplify right side
    154,502.20x = 33,478,578,920.22
  5. Step 5: Solve for x
    x = 33,478,578,920.22/154,502.20
  6. Step 6: Final answer
    x = 216,686.75

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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.