Home / 275,845.32-380,666.88-154,986.48

Finding the Fourth Proportional to 275,845.32, 380,666.88 and 154,986.48

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Solution

The fourth proportional to 275,845.32, 380,666.88 and 154,986.48 is: 213,881.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,845.32 : 380,666.88 = 154,986.48 : x
  2. Step 2: Convert to fraction form
    275,845.32/380,666.88 = 154,986.48/x
  3. Step 3: Cross multiply
    275,845.32x = 380,666.88 × 154,986.48
  4. Step 4: Simplify right side
    275,845.32x = 58,998,219,783.78
  5. Step 5: Solve for x
    x = 58,998,219,783.78/275,845.32
  6. Step 6: Final answer
    x = 213,881.53

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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.