Home / 309,515.46-464,340.03-96,279.31

Finding the Fourth Proportional to 309,515.46, 464,340.03 and 96,279.31

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Solution

The fourth proportional to 309,515.46, 464,340.03 and 96,279.31 is: 144,439.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,515.46 : 464,340.03 = 96,279.31 : x
  2. Step 2: Convert to fraction form
    309,515.46/464,340.03 = 96,279.31/x
  3. Step 3: Cross multiply
    309,515.46x = 464,340.03 × 96,279.31
  4. Step 4: Simplify right side
    309,515.46x = 44,706,337,913.16
  5. Step 5: Solve for x
    x = 44,706,337,913.16/309,515.46
  6. Step 6: Final answer
    x = 144,439.76

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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.