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Finding the Fourth Proportional to 303,271.31, 454,829.10 and 89,988.80

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Solution

The fourth proportional to 303,271.31, 454,829.10 and 89,988.80 is: 134,960.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,271.31 : 454,829.10 = 89,988.80 : x
  2. Step 2: Convert to fraction form
    303,271.31/454,829.10 = 89,988.80/x
  3. Step 3: Cross multiply
    303,271.31x = 454,829.10 × 89,988.80
  4. Step 4: Simplify right side
    303,271.31x = 40,929,522,302.48
  5. Step 5: Solve for x
    x = 40,929,522,302.48/303,271.31
  6. Step 6: Final answer
    x = 134,960.09

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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.