Home / 442,828.38-664,206.03-122,987.77

Finding the Fourth Proportional to 442,828.38, 664,206.03 and 122,987.77

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Solution

The fourth proportional to 442,828.38, 664,206.03 and 122,987.77 is: 184,471.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,828.38 : 664,206.03 = 122,987.77 : x
  2. Step 2: Convert to fraction form
    442,828.38/664,206.03 = 122,987.77/x
  3. Step 3: Cross multiply
    442,828.38x = 664,206.03 × 122,987.77
  4. Step 4: Simplify right side
    442,828.38x = 81,689,216,789.74
  5. Step 5: Solve for x
    x = 81,689,216,789.74/442,828.38
  6. Step 6: Final answer
    x = 184,471.50

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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.