Home / 275,864.02-413,801.24-76,189.72

Finding the Fourth Proportional to 275,864.02, 413,801.24 and 76,189.72

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Solution

The fourth proportional to 275,864.02, 413,801.24 and 76,189.72 is: 114,286.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,864.02 : 413,801.24 = 76,189.72 : x
  2. Step 2: Convert to fraction form
    275,864.02/413,801.24 = 76,189.72/x
  3. Step 3: Cross multiply
    275,864.02x = 413,801.24 × 76,189.72
  4. Step 4: Simplify right side
    275,864.02x = 31,527,399,971.68
  5. Step 5: Solve for x
    x = 31,527,399,971.68/275,864.02
  6. Step 6: Final answer
    x = 114,286.02

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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.