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Finding the Fourth Proportional to 371,737.69, 513,041.78 and 220,834.69

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Solution

The fourth proportional to 371,737.69, 513,041.78 and 220,834.69 is: 304,777.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,737.69 : 513,041.78 = 220,834.69 : x
  2. Step 2: Convert to fraction form
    371,737.69/513,041.78 = 220,834.69/x
  3. Step 3: Cross multiply
    371,737.69x = 513,041.78 × 220,834.69
  4. Step 4: Simplify right side
    371,737.69x = 113,297,421,712.83
  5. Step 5: Solve for x
    x = 113,297,421,712.83/371,737.69
  6. Step 6: Final answer
    x = 304,777.87

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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.