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Finding the Fourth Proportional to 275,315.88, 412,729.20 and 97,799.52

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Solution

The fourth proportional to 275,315.88, 412,729.20 and 97,799.52 is: 146,612.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,315.88 : 412,729.20 = 97,799.52 : x
  2. Step 2: Convert to fraction form
    275,315.88/412,729.20 = 97,799.52/x
  3. Step 3: Cross multiply
    275,315.88x = 412,729.20 × 97,799.52
  4. Step 4: Simplify right side
    275,315.88x = 40,364,717,649.98
  5. Step 5: Solve for x
    x = 40,364,717,649.98/275,315.88
  6. Step 6: Final answer
    x = 146,612.38

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1.5x scale

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.