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Finding the Fourth Proportional to 350,300.28, 523,531.05 and 255,729.61

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Solution

The fourth proportional to 350,300.28, 523,531.05 and 255,729.61 is: 382,193.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,300.28 : 523,531.05 = 255,729.61 : x
  2. Step 2: Convert to fraction form
    350,300.28/523,531.05 = 255,729.61/x
  3. Step 3: Cross multiply
    350,300.28x = 523,531.05 × 255,729.61
  4. Step 4: Simplify right side
    350,300.28x = 133,882,391,239.39
  5. Step 5: Solve for x
    x = 133,882,391,239.39/350,300.28
  6. Step 6: Final answer
    x = 382,193.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.