Home / 400,205.95-552,263.61-218,882.59

Finding the Fourth Proportional to 400,205.95, 552,263.61 and 218,882.59

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Solution

The fourth proportional to 400,205.95, 552,263.61 and 218,882.59 is: 302,046.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,205.95 : 552,263.61 = 218,882.59 : x
  2. Step 2: Convert to fraction form
    400,205.95/552,263.61 = 218,882.59/x
  3. Step 3: Cross multiply
    400,205.95x = 552,263.61 × 218,882.59
  4. Step 4: Simplify right side
    400,205.95x = 120,880,889,319.55
  5. Step 5: Solve for x
    x = 120,880,889,319.55/400,205.95
  6. Step 6: Final answer
    x = 302,046.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.