Home / 245,063.06-338,147.28-153,171.50

Finding the Fourth Proportional to 245,063.06, 338,147.28 and 153,171.50

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Solution

The fourth proportional to 245,063.06, 338,147.28 and 153,171.50 is: 211,351.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,063.06 : 338,147.28 = 153,171.50 : x
  2. Step 2: Convert to fraction form
    245,063.06/338,147.28 = 153,171.50/x
  3. Step 3: Cross multiply
    245,063.06x = 338,147.28 × 153,171.50
  4. Step 4: Simplify right side
    245,063.06x = 51,794,526,098.52
  5. Step 5: Solve for x
    x = 51,794,526,098.52/245,063.06
  6. Step 6: Final answer
    x = 211,351.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.