Home / 263,511.17-363,642.40-142,649.81

Finding the Fourth Proportional to 263,511.17, 363,642.40 and 142,649.81

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Solution

The fourth proportional to 263,511.17, 363,642.40 and 142,649.81 is: 196,855.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,511.17 : 363,642.40 = 142,649.81 : x
  2. Step 2: Convert to fraction form
    263,511.17/363,642.40 = 142,649.81/x
  3. Step 3: Cross multiply
    263,511.17x = 363,642.40 × 142,649.81
  4. Step 4: Simplify right side
    263,511.17x = 51,873,519,267.94
  5. Step 5: Solve for x
    x = 51,873,519,267.94/263,511.17
  6. Step 6: Final answer
    x = 196,855.11

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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.