Home / 612,129.24-918,262.17-162,867.42

Finding the Fourth Proportional to 612,129.24, 918,262.17 and 162,867.42

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Solution

The fourth proportional to 612,129.24, 918,262.17 and 162,867.42 is: 244,319.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,129.24 : 918,262.17 = 162,867.42 : x
  2. Step 2: Convert to fraction form
    612,129.24/918,262.17 = 162,867.42/x
  3. Step 3: Cross multiply
    612,129.24x = 918,262.17 × 162,867.42
  4. Step 4: Simplify right side
    612,129.24x = 149,554,990,511.50
  5. Step 5: Solve for x
    x = 149,554,990,511.50/612,129.24
  6. Step 6: Final answer
    x = 244,319.31

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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.