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Finding the Fourth Proportional to 342,766.46, 514,144.20 and 93,448.46

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Solution

The fourth proportional to 342,766.46, 514,144.20 and 93,448.46 is: 140,171.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,766.46 : 514,144.20 = 93,448.46 : x
  2. Step 2: Convert to fraction form
    342,766.46/514,144.20 = 93,448.46/x
  3. Step 3: Cross multiply
    342,766.46x = 514,144.20 × 93,448.46
  4. Step 4: Simplify right side
    342,766.46x = 48,045,983,707.93
  5. Step 5: Solve for x
    x = 48,045,983,707.93/342,766.46
  6. Step 6: Final answer
    x = 140,171.19

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1.5x scale

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.