Home / 349,548.57-521,771.03-299,947.41

Finding the Fourth Proportional to 349,548.57, 521,771.03 and 299,947.41

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Solution

The fourth proportional to 349,548.57, 521,771.03 and 299,947.41 is: 447,731.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,548.57 : 521,771.03 = 299,947.41 : x
  2. Step 2: Convert to fraction form
    349,548.57/521,771.03 = 299,947.41/x
  3. Step 3: Cross multiply
    349,548.57x = 521,771.03 × 299,947.41
  4. Step 4: Simplify right side
    349,548.57x = 156,503,867,561.80
  5. Step 5: Solve for x
    x = 156,503,867,561.80/349,548.57
  6. Step 6: Final answer
    x = 447,731.39

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.