Home / 278,849.10-417,812.85-237,377.10

Finding the Fourth Proportional to 278,849.10, 417,812.85 and 237,377.10

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Solution

The fourth proportional to 278,849.10, 417,812.85 and 237,377.10 is: 355,673.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,849.10 : 417,812.85 = 237,377.10 : x
  2. Step 2: Convert to fraction form
    278,849.10/417,812.85 = 237,377.10/x
  3. Step 3: Cross multiply
    278,849.10x = 417,812.85 × 237,377.10
  4. Step 4: Simplify right side
    278,849.10x = 99,179,202,675.74
  5. Step 5: Solve for x
    x = 99,179,202,675.74/278,849.10
  6. Step 6: Final answer
    x = 355,673.38

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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.