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Finding the Fourth Proportional to 454,861.59, 682,220.06 and 151,230.51

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Solution

The fourth proportional to 454,861.59, 682,220.06 and 151,230.51 is: 226,821.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,861.59 : 682,220.06 = 151,230.51 : x
  2. Step 2: Convert to fraction form
    454,861.59/682,220.06 = 151,230.51/x
  3. Step 3: Cross multiply
    454,861.59x = 682,220.06 × 151,230.51
  4. Step 4: Simplify right side
    454,861.59x = 103,172,486,849.88
  5. Step 5: Solve for x
    x = 103,172,486,849.88/454,861.59
  6. Step 6: Final answer
    x = 226,821.72

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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.