Home / 302,540.12-453,806.02-102,999.66

Finding the Fourth Proportional to 302,540.12, 453,806.02 and 102,999.66

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Solution

The fourth proportional to 302,540.12, 453,806.02 and 102,999.66 is: 154,498.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,540.12 : 453,806.02 = 102,999.66 : x
  2. Step 2: Convert to fraction form
    302,540.12/453,806.02 = 102,999.66/x
  3. Step 3: Cross multiply
    302,540.12x = 453,806.02 × 102,999.66
  4. Step 4: Simplify right side
    302,540.12x = 46,741,865,250.95
  5. Step 5: Solve for x
    x = 46,741,865,250.95/302,540.12
  6. Step 6: Final answer
    x = 154,498.07

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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.