Home / 287,372.26-396,573.75-160,047.85

Finding the Fourth Proportional to 287,372.26, 396,573.75 and 160,047.85

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Solution

The fourth proportional to 287,372.26, 396,573.75 and 160,047.85 is: 220,866.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,372.26 : 396,573.75 = 160,047.85 : x
  2. Step 2: Convert to fraction form
    287,372.26/396,573.75 = 160,047.85/x
  3. Step 3: Cross multiply
    287,372.26x = 396,573.75 × 160,047.85
  4. Step 4: Simplify right side
    287,372.26x = 63,470,776,053.94
  5. Step 5: Solve for x
    x = 63,470,776,053.94/287,372.26
  6. Step 6: Final answer
    x = 220,866.05

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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.