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Finding the Fourth Proportional to 220,689.32, 330,837.10 and 183,554.04

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Solution

The fourth proportional to 220,689.32, 330,837.10 and 183,554.04 is: 275,167.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,689.32 : 330,837.10 = 183,554.04 : x
  2. Step 2: Convert to fraction form
    220,689.32/330,837.10 = 183,554.04/x
  3. Step 3: Cross multiply
    220,689.32x = 330,837.10 × 183,554.04
  4. Step 4: Simplify right side
    220,689.32x = 60,726,486,286.88
  5. Step 5: Solve for x
    x = 60,726,486,286.88/220,689.32
  6. Step 6: Final answer
    x = 275,167.31

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1.5x scale

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.