Home / 305,945.10-458,917.65-271,827.90

Finding the Fourth Proportional to 305,945.10, 458,917.65 and 271,827.90

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Solution

The fourth proportional to 305,945.10, 458,917.65 and 271,827.90 is: 407,741.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,945.10 : 458,917.65 = 271,827.90 : x
  2. Step 2: Convert to fraction form
    305,945.10/458,917.65 = 271,827.90/x
  3. Step 3: Cross multiply
    305,945.10x = 458,917.65 × 271,827.90
  4. Step 4: Simplify right side
    305,945.10x = 124,746,621,072.44
  5. Step 5: Solve for x
    x = 124,746,621,072.44/305,945.10
  6. Step 6: Final answer
    x = 407,741.85

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.