Home / 815,080.30-1,222,674.45-216,033.10

Finding the Fourth Proportional to 815,080.30, 1,222,674.45 and 216,033.10

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Solution

The fourth proportional to 815,080.30, 1,222,674.45 and 216,033.10 is: 324,063.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,080.30 : 1,222,674.45 = 216,033.10 : x
  2. Step 2: Convert to fraction form
    815,080.30/1,222,674.45 = 216,033.10/x
  3. Step 3: Cross multiply
    815,080.30x = 1,222,674.45 × 216,033.10
  4. Step 4: Simplify right side
    815,080.30x = 264,138,151,724.30
  5. Step 5: Solve for x
    x = 264,138,151,724.30/815,080.30
  6. Step 6: Final answer
    x = 324,063.96

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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.