Home / 287,371.26-396,572.37-160,046.85

Finding the Fourth Proportional to 287,371.26, 396,572.37 and 160,046.85

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Solution

The fourth proportional to 287,371.26, 396,572.37 and 160,046.85 is: 220,864.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,371.26 : 396,572.37 = 160,046.85 : x
  2. Step 2: Convert to fraction form
    287,371.26/396,572.37 = 160,046.85/x
  3. Step 3: Cross multiply
    287,371.26x = 396,572.37 × 160,046.85
  4. Step 4: Simplify right side
    287,371.26x = 63,470,158,615.53
  5. Step 5: Solve for x
    x = 63,470,158,615.53/287,371.26
  6. Step 6: Final answer
    x = 220,864.67

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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.