Home / 263,398.18-363,489.50-142,539.46

Finding the Fourth Proportional to 263,398.18, 363,489.50 and 142,539.46

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Solution

The fourth proportional to 263,398.18, 363,489.50 and 142,539.46 is: 196,704.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,398.18 : 363,489.50 = 142,539.46 : x
  2. Step 2: Convert to fraction form
    263,398.18/363,489.50 = 142,539.46/x
  3. Step 3: Cross multiply
    263,398.18x = 363,489.50 × 142,539.46
  4. Step 4: Simplify right side
    263,398.18x = 51,811,597,045.67
  5. Step 5: Solve for x
    x = 51,811,597,045.67/263,398.18
  6. Step 6: Final answer
    x = 196,704.46

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1.5x scale

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.