Home / 309,568.61-464,399.08-109,872.29

Finding the Fourth Proportional to 309,568.61, 464,399.08 and 109,872.29

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Solution

The fourth proportional to 309,568.61, 464,399.08 and 109,872.29 is: 164,824.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,568.61 : 464,399.08 = 109,872.29 : x
  2. Step 2: Convert to fraction form
    309,568.61/464,399.08 = 109,872.29/x
  3. Step 3: Cross multiply
    309,568.61x = 464,399.08 × 109,872.29
  4. Step 4: Simplify right side
    309,568.61x = 51,024,591,279.81
  5. Step 5: Solve for x
    x = 51,024,591,279.81/309,568.61
  6. Step 6: Final answer
    x = 164,824.82

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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.