Home / 348,141.20-522,250.86-312,382.68

Finding the Fourth Proportional to 348,141.20, 522,250.86 and 312,382.68

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Solution

The fourth proportional to 348,141.20, 522,250.86 and 312,382.68 is: 468,609.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,141.20 : 522,250.86 = 312,382.68 : x
  2. Step 2: Convert to fraction form
    348,141.20/522,250.86 = 312,382.68/x
  3. Step 3: Cross multiply
    348,141.20x = 522,250.86 × 312,382.68
  4. Step 4: Simplify right side
    348,141.20x = 163,142,123,279.11
  5. Step 5: Solve for x
    x = 163,142,123,279.11/348,141.20
  6. Step 6: Final answer
    x = 468,609.07

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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.