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Finding the Fourth Proportional to 283,648.08, 425,470.80 and 83,969.60

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Solution

The fourth proportional to 283,648.08, 425,470.80 and 83,969.60 is: 125,954.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,648.08 : 425,470.80 = 83,969.60 : x
  2. Step 2: Convert to fraction form
    283,648.08/425,470.80 = 83,969.60/x
  3. Step 3: Cross multiply
    283,648.08x = 425,470.80 × 83,969.60
  4. Step 4: Simplify right side
    283,648.08x = 35,726,612,887.68
  5. Step 5: Solve for x
    x = 35,726,612,887.68/283,648.08
  6. Step 6: Final answer
    x = 125,954.01

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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.