Home / 215,382.20-297,182.36-130,482.86

Finding the Fourth Proportional to 215,382.20, 297,182.36 and 130,482.86

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Solution

The fourth proportional to 215,382.20, 297,182.36 and 130,482.86 is: 180,039.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,382.20 : 297,182.36 = 130,482.86 : x
  2. Step 2: Convert to fraction form
    215,382.20/297,182.36 = 130,482.86/x
  3. Step 3: Cross multiply
    215,382.20x = 297,182.36 × 130,482.86
  4. Step 4: Simplify right side
    215,382.20x = 38,777,204,274.35
  5. Step 5: Solve for x
    x = 38,777,204,274.35/215,382.20
  6. Step 6: Final answer
    x = 180,039.04

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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.