Home / 275,739.67-380,529.93-154,904.32

Finding the Fourth Proportional to 275,739.67, 380,529.93 and 154,904.32

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Solution

The fourth proportional to 275,739.67, 380,529.93 and 154,904.32 is: 213,773.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,739.67 : 380,529.93 = 154,904.32 : x
  2. Step 2: Convert to fraction form
    275,739.67/380,529.93 = 154,904.32/x
  3. Step 3: Cross multiply
    275,739.67x = 380,529.93 × 154,904.32
  4. Step 4: Simplify right side
    275,739.67x = 58,945,730,046.30
  5. Step 5: Solve for x
    x = 58,945,730,046.30/275,739.67
  6. Step 6: Final answer
    x = 213,773.12

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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.