Home / 309,541.32-464,443.20-169,135.92

Finding the Fourth Proportional to 309,541.32, 464,443.20 and 169,135.92

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Solution

The fourth proportional to 309,541.32, 464,443.20 and 169,135.92 is: 253,775.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,541.32 : 464,443.20 = 169,135.92 : x
  2. Step 2: Convert to fraction form
    309,541.32/464,443.20 = 169,135.92/x
  3. Step 3: Cross multiply
    309,541.32x = 464,443.20 × 169,135.92
  4. Step 4: Simplify right side
    309,541.32x = 78,554,027,919.74
  5. Step 5: Solve for x
    x = 78,554,027,919.74/309,541.32
  6. Step 6: Final answer
    x = 253,775.58

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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.