Home / 275,543.04-380,249.19-154,684.56

Finding the Fourth Proportional to 275,543.04, 380,249.19 and 154,684.56

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Solution

The fourth proportional to 275,543.04, 380,249.19 and 154,684.56 is: 213,464.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,543.04 : 380,249.19 = 154,684.56 : x
  2. Step 2: Convert to fraction form
    275,543.04/380,249.19 = 154,684.56/x
  3. Step 3: Cross multiply
    275,543.04x = 380,249.19 × 154,684.56
  4. Step 4: Simplify right side
    275,543.04x = 58,818,678,645.51
  5. Step 5: Solve for x
    x = 58,818,678,645.51/275,543.04
  6. Step 6: Final answer
    x = 213,464.58

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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.