Home / 275,587.20-380,282.04-154,741.82

Finding the Fourth Proportional to 275,587.20, 380,282.04 and 154,741.82

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Solution

The fourth proportional to 275,587.20, 380,282.04 and 154,741.82 is: 213,527.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,587.20 : 380,282.04 = 154,741.82 : x
  2. Step 2: Convert to fraction form
    275,587.20/380,282.04 = 154,741.82/x
  3. Step 3: Cross multiply
    275,587.20x = 380,282.04 × 154,741.82
  4. Step 4: Simplify right side
    275,587.20x = 58,845,533,081.50
  5. Step 5: Solve for x
    x = 58,845,533,081.50/275,587.20
  6. Step 6: Final answer
    x = 213,527.82

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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.