Home / 263,385.72-363,474.48-154,555.11

Finding the Fourth Proportional to 263,385.72, 363,474.48 and 154,555.11

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Solution

The fourth proportional to 263,385.72, 363,474.48 and 154,555.11 is: 213,287.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,385.72 : 363,474.48 = 154,555.11 : x
  2. Step 2: Convert to fraction form
    263,385.72/363,474.48 = 154,555.11/x
  3. Step 3: Cross multiply
    263,385.72x = 363,474.48 × 154,555.11
  4. Step 4: Simplify right side
    263,385.72x = 56,176,838,238.59
  5. Step 5: Solve for x
    x = 56,176,838,238.59/263,385.72
  6. Step 6: Final answer
    x = 213,287.33

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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.