Home / 307,778.42-424,747.06-171,819.92

Finding the Fourth Proportional to 307,778.42, 424,747.06 and 171,819.92

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Solution

The fourth proportional to 307,778.42, 424,747.06 and 171,819.92 is: 237,118.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,778.42 : 424,747.06 = 171,819.92 : x
  2. Step 2: Convert to fraction form
    307,778.42/424,747.06 = 171,819.92/x
  3. Step 3: Cross multiply
    307,778.42x = 424,747.06 × 171,819.92
  4. Step 4: Simplify right side
    307,778.42x = 72,980,005,869.44
  5. Step 5: Solve for x
    x = 72,980,005,869.44/307,778.42
  6. Step 6: Final answer
    x = 237,118.66

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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.