Home / 612,079.28-918,045.78-162,833

Finding the Fourth Proportional to 612,079.28, 918,045.78 and 162,833

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Solution

The fourth proportional to 612,079.28, 918,045.78 and 162,833 is: 244,230.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,079.28 : 918,045.78 = 162,833 : x
  2. Step 2: Convert to fraction form
    612,079.28/918,045.78 = 162,833/x
  3. Step 3: Cross multiply
    612,079.28x = 918,045.78 × 162,833
  4. Step 4: Simplify right side
    612,079.28x = 149,488,148,494.74
  5. Step 5: Solve for x
    x = 149,488,148,494.74/612,079.28
  6. Step 6: Final answer
    x = 244,230.04

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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.