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Finding the Fourth Proportional to 283,825.60, 425,256.61 and 171,269.32

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Solution

The fourth proportional to 283,825.60, 425,256.61 and 171,269.32 is: 256,613.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,825.60 : 425,256.61 = 171,269.32 : x
  2. Step 2: Convert to fraction form
    283,825.60/425,256.61 = 171,269.32/x
  3. Step 3: Cross multiply
    283,825.60x = 425,256.61 × 171,269.32
  4. Step 4: Simplify right side
    283,825.60x = 72,833,410,420.21
  5. Step 5: Solve for x
    x = 72,833,410,420.21/283,825.60
  6. Step 6: Final answer
    x = 256,613.25

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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.