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Finding the Fourth Proportional to 439,597.57, 659,376.54 and 183,324.61

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Solution

The fourth proportional to 439,597.57, 659,376.54 and 183,324.61 is: 274,978.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,597.57 : 659,376.54 = 183,324.61 : x
  2. Step 2: Convert to fraction form
    439,597.57/659,376.54 = 183,324.61/x
  3. Step 3: Cross multiply
    439,597.57x = 659,376.54 × 183,324.61
  4. Step 4: Simplify right side
    439,597.57x = 120,879,943,741.77
  5. Step 5: Solve for x
    x = 120,879,943,741.77/439,597.57
  6. Step 6: Final answer
    x = 274,978.64

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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.