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Finding the Fourth Proportional to 228,100.87, 342,034.48 and 121,545.55

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Solution

The fourth proportional to 228,100.87, 342,034.48 and 121,545.55 is: 182,256.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,100.87 : 342,034.48 = 121,545.55 : x
  2. Step 2: Convert to fraction form
    228,100.87/342,034.48 = 121,545.55/x
  3. Step 3: Cross multiply
    228,100.87x = 342,034.48 × 121,545.55
  4. Step 4: Simplify right side
    228,100.87x = 41,572,768,990.56
  5. Step 5: Solve for x
    x = 41,572,768,990.56/228,100.87
  6. Step 6: Final answer
    x = 182,256.07

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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.