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Finding the Fourth Proportional to 288,080.94, 397,256.72 and 191,250.70

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Solution

The fourth proportional to 288,080.94, 397,256.72 and 191,250.70 is: 263,730.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,080.94 : 397,256.72 = 191,250.70 : x
  2. Step 2: Convert to fraction form
    288,080.94/397,256.72 = 191,250.70/x
  3. Step 3: Cross multiply
    288,080.94x = 397,256.72 × 191,250.70
  4. Step 4: Simplify right side
    288,080.94x = 75,975,625,779.70
  5. Step 5: Solve for x
    x = 75,975,625,779.70/288,080.94
  6. Step 6: Final answer
    x = 263,730.14

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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.