Home / 287,074.58-396,159.80-158,010.26

Finding the Fourth Proportional to 287,074.58, 396,159.80 and 158,010.26

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Solution

The fourth proportional to 287,074.58, 396,159.80 and 158,010.26 is: 218,052.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,074.58 : 396,159.80 = 158,010.26 : x
  2. Step 2: Convert to fraction form
    287,074.58/396,159.80 = 158,010.26/x
  3. Step 3: Cross multiply
    287,074.58x = 396,159.80 × 158,010.26
  4. Step 4: Simplify right side
    287,074.58x = 62,597,310,228.70
  5. Step 5: Solve for x
    x = 62,597,310,228.70/287,074.58
  6. Step 6: Final answer
    x = 218,052.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.