Home / 612,059.10-918,087.30-162,780.05

Finding the Fourth Proportional to 612,059.10, 918,087.30 and 162,780.05

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Solution

The fourth proportional to 612,059.10, 918,087.30 and 162,780.05 is: 244,169.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,059.10 : 918,087.30 = 162,780.05 : x
  2. Step 2: Convert to fraction form
    612,059.10/918,087.30 = 162,780.05/x
  3. Step 3: Cross multiply
    612,059.10x = 918,087.30 × 162,780.05
  4. Step 4: Simplify right side
    612,059.10x = 149,446,292,007.93
  5. Step 5: Solve for x
    x = 149,446,292,007.93/612,059.10
  6. Step 6: Final answer
    x = 244,169.71

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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.