Home / 287,150.01-396,267.03-159,822.87

Finding the Fourth Proportional to 287,150.01, 396,267.03 and 159,822.87

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Solution

The fourth proportional to 287,150.01, 396,267.03 and 159,822.87 is: 220,555.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,150.01 : 396,267.03 = 159,822.87 : x
  2. Step 2: Convert to fraction form
    287,150.01/396,267.03 = 159,822.87/x
  3. Step 3: Cross multiply
    287,150.01x = 396,267.03 × 159,822.87
  4. Step 4: Simplify right side
    287,150.01x = 63,332,534,020.98
  5. Step 5: Solve for x
    x = 63,332,534,020.98/287,150.01
  6. Step 6: Final answer
    x = 220,555.57

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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.