Home / 317,545.93-476,218.51-104,278.69

Finding the Fourth Proportional to 317,545.93, 476,218.51 and 104,278.69

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Solution

The fourth proportional to 317,545.93, 476,218.51 and 104,278.69 is: 156,385.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,545.93 : 476,218.51 = 104,278.69 : x
  2. Step 2: Convert to fraction form
    317,545.93/476,218.51 = 104,278.69/x
  3. Step 3: Cross multiply
    317,545.93x = 476,218.51 × 104,278.69
  4. Step 4: Simplify right side
    317,545.93x = 49,659,442,376.55
  5. Step 5: Solve for x
    x = 49,659,442,376.55/317,545.93
  6. Step 6: Final answer
    x = 156,385.07

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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.