Home / 287,424.77-396,649.98-160,100.33

Finding the Fourth Proportional to 287,424.77, 396,649.98 and 160,100.33

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Solution

The fourth proportional to 287,424.77, 396,649.98 and 160,100.33 is: 220,940.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,424.77 : 396,649.98 = 160,100.33 : x
  2. Step 2: Convert to fraction form
    287,424.77/396,649.98 = 160,100.33/x
  3. Step 3: Cross multiply
    287,424.77x = 396,649.98 × 160,100.33
  4. Step 4: Simplify right side
    287,424.77x = 63,503,790,709.24
  5. Step 5: Solve for x
    x = 63,503,790,709.24/287,424.77
  6. Step 6: Final answer
    x = 220,940.57

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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.