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Finding the Fourth Proportional to 359,360.27, 539,390.99 and 296,817.54

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Solution

The fourth proportional to 359,360.27, 539,390.99 and 296,817.54 is: 445,515.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,360.27 : 539,390.99 = 296,817.54 : x
  2. Step 2: Convert to fraction form
    359,360.27/539,390.99 = 296,817.54/x
  3. Step 3: Cross multiply
    359,360.27x = 539,390.99 × 296,817.54
  4. Step 4: Simplify right side
    359,360.27x = 160,100,706,749.97
  5. Step 5: Solve for x
    x = 160,100,706,749.97/359,360.27
  6. Step 6: Final answer
    x = 445,515.88

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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.