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Finding the Fourth Proportional to 342,244.46, 472,278.76 and 189,273.72

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Solution

The fourth proportional to 342,244.46, 472,278.76 and 189,273.72 is: 261,187.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,244.46 : 472,278.76 = 189,273.72 : x
  2. Step 2: Convert to fraction form
    342,244.46/472,278.76 = 189,273.72/x
  3. Step 3: Cross multiply
    342,244.46x = 472,278.76 × 189,273.72
  4. Step 4: Simplify right side
    342,244.46x = 89,389,957,782.19
  5. Step 5: Solve for x
    x = 89,389,957,782.19/342,244.46
  6. Step 6: Final answer
    x = 261,187.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.