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Finding the Fourth Proportional to 283,650.18, 425,479.60 and 83,990.76

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Solution

The fourth proportional to 283,650.18, 425,479.60 and 83,990.76 is: 125,987.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,650.18 : 425,479.60 = 83,990.76 : x
  2. Step 2: Convert to fraction form
    283,650.18/425,479.60 = 83,990.76/x
  3. Step 3: Cross multiply
    283,650.18x = 425,479.60 × 83,990.76
  4. Step 4: Simplify right side
    283,650.18x = 35,736,354,968.50
  5. Step 5: Solve for x
    x = 35,736,354,968.50/283,650.18
  6. Step 6: Final answer
    x = 125,987.42

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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.