Home / 242,248.72-363,388.44-76,043.28

Finding the Fourth Proportional to 242,248.72, 363,388.44 and 76,043.28

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Solution

The fourth proportional to 242,248.72, 363,388.44 and 76,043.28 is: 114,069.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,248.72 : 363,388.44 = 76,043.28 : x
  2. Step 2: Convert to fraction form
    242,248.72/363,388.44 = 76,043.28/x
  3. Step 3: Cross multiply
    242,248.72x = 363,388.44 × 76,043.28
  4. Step 4: Simplify right side
    242,248.72x = 27,633,248,891.68
  5. Step 5: Solve for x
    x = 27,633,248,891.68/242,248.72
  6. Step 6: Final answer
    x = 114,069.74

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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.