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Finding the Fourth Proportional to 486,965.88, 730,103.02 and 350,270.18

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Solution

The fourth proportional to 486,965.88, 730,103.02 and 350,270.18 is: 525,156.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,965.88 : 730,103.02 = 350,270.18 : x
  2. Step 2: Convert to fraction form
    486,965.88/730,103.02 = 350,270.18/x
  3. Step 3: Cross multiply
    486,965.88x = 730,103.02 × 350,270.18
  4. Step 4: Simplify right side
    486,965.88x = 255,733,316,233.94
  5. Step 5: Solve for x
    x = 255,733,316,233.94/486,965.88
  6. Step 6: Final answer
    x = 525,156.54

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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.