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Finding the Fourth Proportional to 303,077.43, 454,750.25 and 158,948.87

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Solution

The fourth proportional to 303,077.43, 454,750.25 and 158,948.87 is: 238,493.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,077.43 : 454,750.25 = 158,948.87 : x
  2. Step 2: Convert to fraction form
    303,077.43/454,750.25 = 158,948.87/x
  3. Step 3: Cross multiply
    303,077.43x = 454,750.25 × 158,948.87
  4. Step 4: Simplify right side
    303,077.43x = 72,282,035,301.22
  5. Step 5: Solve for x
    x = 72,282,035,301.22/303,077.43
  6. Step 6: Final answer
    x = 238,493.63

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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.