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Finding the Fourth Proportional to 342,471.87, 514,019.45 and 182,683.28

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Solution

The fourth proportional to 342,471.87, 514,019.45 and 182,683.28 is: 274,191.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,471.87 : 514,019.45 = 182,683.28 : x
  2. Step 2: Convert to fraction form
    342,471.87/514,019.45 = 182,683.28/x
  3. Step 3: Cross multiply
    342,471.87x = 514,019.45 × 182,683.28
  4. Step 4: Simplify right side
    342,471.87x = 93,902,760,851.55
  5. Step 5: Solve for x
    x = 93,902,760,851.55/342,471.87
  6. Step 6: Final answer
    x = 274,191.16

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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.