Home / 395,947.80-594,032.22-129,895.44

Finding the Fourth Proportional to 395,947.80, 594,032.22 and 129,895.44

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Solution

The fourth proportional to 395,947.80, 594,032.22 and 129,895.44 is: 194,879.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,947.80 : 594,032.22 = 129,895.44 : x
  2. Step 2: Convert to fraction form
    395,947.80/594,032.22 = 129,895.44/x
  3. Step 3: Cross multiply
    395,947.80x = 594,032.22 × 129,895.44
  4. Step 4: Simplify right side
    395,947.80x = 77,162,076,591.08
  5. Step 5: Solve for x
    x = 77,162,076,591.08/395,947.80
  6. Step 6: Final answer
    x = 194,879.42

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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.