Home / 287,367.42-396,579.33-160,043.01

Finding the Fourth Proportional to 287,367.42, 396,579.33 and 160,043.01

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Solution

The fourth proportional to 287,367.42, 396,579.33 and 160,043.01 is: 220,866.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,367.42 : 396,579.33 = 160,043.01 : x
  2. Step 2: Convert to fraction form
    287,367.42/396,579.33 = 160,043.01/x
  3. Step 3: Cross multiply
    287,367.42x = 396,579.33 × 160,043.01
  4. Step 4: Simplify right side
    287,367.42x = 63,469,749,676.98
  5. Step 5: Solve for x
    x = 63,469,749,676.98/287,367.42
  6. Step 6: Final answer
    x = 220,866.20

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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.