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Finding the Fourth Proportional to 448,883.50, 619,472.22 and 247,692.46

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Solution

The fourth proportional to 448,883.50, 619,472.22 and 247,692.46 is: 341,822.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,883.50 : 619,472.22 = 247,692.46 : x
  2. Step 2: Convert to fraction form
    448,883.50/619,472.22 = 247,692.46/x
  3. Step 3: Cross multiply
    448,883.50x = 619,472.22 × 247,692.46
  4. Step 4: Simplify right side
    448,883.50x = 153,438,598,073.46
  5. Step 5: Solve for x
    x = 153,438,598,073.46/448,883.50
  6. Step 6: Final answer
    x = 341,822.76

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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.