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Finding the Fourth Proportional to 287,377.99, 396,593.86 and 160,053.59

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Solution

The fourth proportional to 287,377.99, 396,593.86 and 160,053.59 is: 220,880.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,377.99 : 396,593.86 = 160,053.59 : x
  2. Step 2: Convert to fraction form
    287,377.99/396,593.86 = 160,053.59/x
  3. Step 3: Cross multiply
    287,377.99x = 396,593.86 × 160,053.59
  4. Step 4: Simplify right side
    287,377.99x = 63,476,268,681.85
  5. Step 5: Solve for x
    x = 63,476,268,681.85/287,377.99
  6. Step 6: Final answer
    x = 220,880.76

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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.