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Finding the Fourth Proportional to 342,908.46, 473,377.77 and 228,377.70

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Solution

The fourth proportional to 342,908.46, 473,377.77 and 228,377.70 is: 315,270.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,908.46 : 473,377.77 = 228,377.70 : x
  2. Step 2: Convert to fraction form
    342,908.46/473,377.77 = 228,377.70/x
  3. Step 3: Cross multiply
    342,908.46x = 473,377.77 × 228,377.70
  4. Step 4: Simplify right side
    342,908.46x = 108,108,926,343.73
  5. Step 5: Solve for x
    x = 108,108,926,343.73/342,908.46
  6. Step 6: Final answer
    x = 315,270.51

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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.