Home / 220,522.08-304,427.40-147,898.41

Finding the Fourth Proportional to 220,522.08, 304,427.40 and 147,898.41

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Solution

The fourth proportional to 220,522.08, 304,427.40 and 147,898.41 is: 204,171.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,522.08 : 304,427.40 = 147,898.41 : x
  2. Step 2: Convert to fraction form
    220,522.08/304,427.40 = 147,898.41/x
  3. Step 3: Cross multiply
    220,522.08x = 304,427.40 × 147,898.41
  4. Step 4: Simplify right side
    220,522.08x = 45,024,326,898.30
  5. Step 5: Solve for x
    x = 45,024,326,898.30/220,522.08
  6. Step 6: Final answer
    x = 204,171.52

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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.