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Finding the Fourth Proportional to 532,798.85, 799,198.73 and 148,532.47

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Solution

The fourth proportional to 532,798.85, 799,198.73 and 148,532.47 is: 222,798.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,798.85 : 799,198.73 = 148,532.47 : x
  2. Step 2: Convert to fraction form
    532,798.85/799,198.73 = 148,532.47/x
  3. Step 3: Cross multiply
    532,798.85x = 799,198.73 × 148,532.47
  4. Step 4: Simplify right side
    532,798.85x = 118,706,961,387.76
  5. Step 5: Solve for x
    x = 118,706,961,387.76/532,798.85
  6. Step 6: Final answer
    x = 222,798.83

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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.