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Finding the Fourth Proportional to 275,599.92, 380,365.92 and 153,119.76

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Solution

The fourth proportional to 275,599.92, 380,365.92 and 153,119.76 is: 211,326.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,599.92 : 380,365.92 = 153,119.76 : x
  2. Step 2: Convert to fraction form
    275,599.92/380,365.92 = 153,119.76/x
  3. Step 3: Cross multiply
    275,599.92x = 380,365.92 × 153,119.76
  4. Step 4: Simplify right side
    275,599.92x = 58,241,538,382.58
  5. Step 5: Solve for x
    x = 58,241,538,382.58/275,599.92
  6. Step 6: Final answer
    x = 211,326.40

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1.5x scale

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.