Home / 199,264.46-298,943.42-79,328.75

Finding the Fourth Proportional to 199,264.46, 298,943.42 and 79,328.75

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Solution

The fourth proportional to 199,264.46, 298,943.42 and 79,328.75 is: 119,011.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,264.46 : 298,943.42 = 79,328.75 : x
  2. Step 2: Convert to fraction form
    199,264.46/298,943.42 = 79,328.75/x
  3. Step 3: Cross multiply
    199,264.46x = 298,943.42 × 79,328.75
  4. Step 4: Simplify right side
    199,264.46x = 23,714,805,937.96
  5. Step 5: Solve for x
    x = 23,714,805,937.96/199,264.46
  6. Step 6: Final answer
    x = 119,011.72

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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.