Home / 199,321.18-299,121.88-180,264.04

Finding the Fourth Proportional to 199,321.18, 299,121.88 and 180,264.04

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Solution

The fourth proportional to 199,321.18, 299,121.88 and 180,264.04 is: 270,522.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,321.18 : 299,121.88 = 180,264.04 : x
  2. Step 2: Convert to fraction form
    199,321.18/299,121.88 = 180,264.04/x
  3. Step 3: Cross multiply
    199,321.18x = 299,121.88 × 180,264.04
  4. Step 4: Simplify right side
    199,321.18x = 53,920,919,870.28
  5. Step 5: Solve for x
    x = 53,920,919,870.28/199,321.18
  6. Step 6: Final answer
    x = 270,522.77

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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.