Home / 336,373.16-464,432.10-215,825

Finding the Fourth Proportional to 336,373.16, 464,432.10 and 215,825

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Solution

The fourth proportional to 336,373.16, 464,432.10 and 215,825 is: 297,990.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,373.16 : 464,432.10 = 215,825 : x
  2. Step 2: Convert to fraction form
    336,373.16/464,432.10 = 215,825/x
  3. Step 3: Cross multiply
    336,373.16x = 464,432.10 × 215,825
  4. Step 4: Simplify right side
    336,373.16x = 100,236,057,982.50
  5. Step 5: Solve for x
    x = 100,236,057,982.50/336,373.16
  6. Step 6: Final answer
    x = 297,990.65

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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.