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Finding the Fourth Proportional to 275,725.52, 380,404.32 and 180,288.08

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Solution

The fourth proportional to 275,725.52, 380,404.32 and 180,288.08 is: 248,734.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,725.52 : 380,404.32 = 180,288.08 : x
  2. Step 2: Convert to fraction form
    275,725.52/380,404.32 = 180,288.08/x
  3. Step 3: Cross multiply
    275,725.52x = 380,404.32 × 180,288.08
  4. Step 4: Simplify right side
    275,725.52x = 68,582,364,476.51
  5. Step 5: Solve for x
    x = 68,582,364,476.51/275,725.52
  6. Step 6: Final answer
    x = 248,734.19

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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.