Home / 220,850.10-331,275.15-186,290.10

Finding the Fourth Proportional to 220,850.10, 331,275.15 and 186,290.10

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Solution

The fourth proportional to 220,850.10, 331,275.15 and 186,290.10 is: 279,435.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,850.10 : 331,275.15 = 186,290.10 : x
  2. Step 2: Convert to fraction form
    220,850.10/331,275.15 = 186,290.10/x
  3. Step 3: Cross multiply
    220,850.10x = 331,275.15 × 186,290.10
  4. Step 4: Simplify right side
    220,850.10x = 61,713,280,821.02
  5. Step 5: Solve for x
    x = 61,713,280,821.02/220,850.10
  6. Step 6: Final answer
    x = 279,435.15

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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.