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Finding the Fourth Proportional to 342,565.04, 513,614.01 and 173,759.86

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Solution

The fourth proportional to 342,565.04, 513,614.01 and 173,759.86 is: 260,521.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,565.04 : 513,614.01 = 173,759.86 : x
  2. Step 2: Convert to fraction form
    342,565.04/513,614.01 = 173,759.86/x
  3. Step 3: Cross multiply
    342,565.04x = 513,614.01 × 173,759.86
  4. Step 4: Simplify right side
    342,565.04x = 89,245,497,576.89
  5. Step 5: Solve for x
    x = 89,245,497,576.89/342,565.04
  6. Step 6: Final answer
    x = 260,521.33

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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.