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Finding the Fourth Proportional to 283,528.80, 425,145.48 and 133,728.84

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Solution

The fourth proportional to 283,528.80, 425,145.48 and 133,728.84 is: 200,523.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,528.80 : 425,145.48 = 133,728.84 : x
  2. Step 2: Convert to fraction form
    283,528.80/425,145.48 = 133,728.84/x
  3. Step 3: Cross multiply
    283,528.80x = 425,145.48 × 133,728.84
  4. Step 4: Simplify right side
    283,528.80x = 56,854,211,871.64
  5. Step 5: Solve for x
    x = 56,854,211,871.64/283,528.80
  6. Step 6: Final answer
    x = 200,523.59

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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.