Home / 313,972.20-467,633.66-312,442.65

Finding the Fourth Proportional to 313,972.20, 467,633.66 and 312,442.65

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Solution

The fourth proportional to 313,972.20, 467,633.66 and 312,442.65 is: 465,355.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,972.20 : 467,633.66 = 312,442.65 : x
  2. Step 2: Convert to fraction form
    313,972.20/467,633.66 = 312,442.65/x
  3. Step 3: Cross multiply
    313,972.20x = 467,633.66 × 312,442.65
  4. Step 4: Simplify right side
    313,972.20x = 146,108,698,397.39
  5. Step 5: Solve for x
    x = 146,108,698,397.39/313,972.20
  6. Step 6: Final answer
    x = 465,355.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.