Home / 356,310.40-534,470.08-106,977.92

Finding the Fourth Proportional to 356,310.40, 534,470.08 and 106,977.92

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Solution

The fourth proportional to 356,310.40, 534,470.08 and 106,977.92 is: 160,468.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,310.40 : 534,470.08 = 106,977.92 : x
  2. Step 2: Convert to fraction form
    356,310.40/534,470.08 = 106,977.92/x
  3. Step 3: Cross multiply
    356,310.40x = 534,470.08 × 106,977.92
  4. Step 4: Simplify right side
    356,310.40x = 57,176,497,460.63
  5. Step 5: Solve for x
    x = 57,176,497,460.63/356,310.40
  6. Step 6: Final answer
    x = 160,468.23

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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.