Home / 427,984.50-590,517.18-253,466.56

Finding the Fourth Proportional to 427,984.50, 590,517.18 and 253,466.56

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Solution

The fourth proportional to 427,984.50, 590,517.18 and 253,466.56 is: 349,723.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,984.50 : 590,517.18 = 253,466.56 : x
  2. Step 2: Convert to fraction form
    427,984.50/590,517.18 = 253,466.56/x
  3. Step 3: Cross multiply
    427,984.50x = 590,517.18 × 253,466.56
  4. Step 4: Simplify right side
    427,984.50x = 149,676,358,235.50
  5. Step 5: Solve for x
    x = 149,676,358,235.50/427,984.50
  6. Step 6: Final answer
    x = 349,723.78

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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.