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Finding the Fourth Proportional to 220,427.72, 304,193.28 and 119,827.88

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Solution

The fourth proportional to 220,427.72, 304,193.28 and 119,827.88 is: 165,364.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,427.72 : 304,193.28 = 119,827.88 : x
  2. Step 2: Convert to fraction form
    220,427.72/304,193.28 = 119,827.88/x
  3. Step 3: Cross multiply
    220,427.72x = 304,193.28 × 119,827.88
  4. Step 4: Simplify right side
    220,427.72x = 36,450,835,852.65
  5. Step 5: Solve for x
    x = 36,450,835,852.65/220,427.72
  6. Step 6: Final answer
    x = 165,364.12

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1.5x scale

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.