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Finding the Fourth Proportional to 287,627.64, 431,568.55 and 150,818.08

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Solution

The fourth proportional to 287,627.64, 431,568.55 and 150,818.08 is: 226,293.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,627.64 : 431,568.55 = 150,818.08 : x
  2. Step 2: Convert to fraction form
    287,627.64/431,568.55 = 150,818.08/x
  3. Step 3: Cross multiply
    287,627.64x = 431,568.55 × 150,818.08
  4. Step 4: Simplify right side
    287,627.64x = 65,088,340,099.38
  5. Step 5: Solve for x
    x = 65,088,340,099.38/287,627.64
  6. Step 6: Final answer
    x = 226,293.76

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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.