Home / 263,429.62-363,509.78-154,555.90

Finding the Fourth Proportional to 263,429.62, 363,509.78 and 154,555.90

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Solution

The fourth proportional to 263,429.62, 363,509.78 and 154,555.90 is: 213,273.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,429.62 : 363,509.78 = 154,555.90 : x
  2. Step 2: Convert to fraction form
    263,429.62/363,509.78 = 154,555.90/x
  3. Step 3: Cross multiply
    263,429.62x = 363,509.78 × 154,555.90
  4. Step 4: Simplify right side
    263,429.62x = 56,182,579,525.15
  5. Step 5: Solve for x
    x = 56,182,579,525.15/263,429.62
  6. Step 6: Final answer
    x = 213,273.59

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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.