Home / 220,521.83-304,427.06-147,898.16

Finding the Fourth Proportional to 220,521.83, 304,427.06 and 147,898.16

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Solution

The fourth proportional to 220,521.83, 304,427.06 and 147,898.16 is: 204,171.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,521.83 : 304,427.06 = 147,898.16 : x
  2. Step 2: Convert to fraction form
    220,521.83/304,427.06 = 147,898.16/x
  3. Step 3: Cross multiply
    220,521.83x = 304,427.06 × 147,898.16
  4. Step 4: Simplify right side
    220,521.83x = 45,024,199,766.58
  5. Step 5: Solve for x
    x = 45,024,199,766.58/220,521.83
  6. Step 6: Final answer
    x = 204,171.17

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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.