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Finding the Fourth Proportional to 359,822.61, 539,639.70 and 107,035.04

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Solution

The fourth proportional to 359,822.61, 539,639.70 and 107,035.04 is: 160,524.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,822.61 : 539,639.70 = 107,035.04 : x
  2. Step 2: Convert to fraction form
    359,822.61/539,639.70 = 107,035.04/x
  3. Step 3: Cross multiply
    359,822.61x = 539,639.70 × 107,035.04
  4. Step 4: Simplify right side
    359,822.61x = 57,760,354,176.89
  5. Step 5: Solve for x
    x = 57,760,354,176.89/359,822.61
  6. Step 6: Final answer
    x = 160,524.53

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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.