Home / 287,527.62-396,778.96-180,155.64

Finding the Fourth Proportional to 287,527.62, 396,778.96 and 180,155.64

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Solution

The fourth proportional to 287,527.62, 396,778.96 and 180,155.64 is: 248,609.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,527.62 : 396,778.96 = 180,155.64 : x
  2. Step 2: Convert to fraction form
    287,527.62/396,778.96 = 180,155.64/x
  3. Step 3: Cross multiply
    287,527.62x = 396,778.96 × 180,155.64
  4. Step 4: Simplify right side
    287,527.62x = 71,481,967,477.33
  5. Step 5: Solve for x
    x = 71,481,967,477.33/287,527.62
  6. Step 6: Final answer
    x = 248,609.05

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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.