Home / 612,531.96-918,725.04-163,286.52

Finding the Fourth Proportional to 612,531.96, 918,725.04 and 163,286.52

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Solution

The fourth proportional to 612,531.96, 918,725.04 and 163,286.52 is: 244,910.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,531.96 : 918,725.04 = 163,286.52 : x
  2. Step 2: Convert to fraction form
    612,531.96/918,725.04 = 163,286.52/x
  3. Step 3: Cross multiply
    612,531.96x = 918,725.04 × 163,286.52
  4. Step 4: Simplify right side
    612,531.96x = 150,015,414,618.46
  5. Step 5: Solve for x
    x = 150,015,414,618.46/612,531.96
  6. Step 6: Final answer
    x = 244,910.35

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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.