Home / 221,501.10-332,251.65-155,016.30

Finding the Fourth Proportional to 221,501.10, 332,251.65 and 155,016.30

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Solution

The fourth proportional to 221,501.10, 332,251.65 and 155,016.30 is: 232,524.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,501.10 : 332,251.65 = 155,016.30 : x
  2. Step 2: Convert to fraction form
    221,501.10/332,251.65 = 155,016.30/x
  3. Step 3: Cross multiply
    221,501.10x = 332,251.65 × 155,016.30
  4. Step 4: Simplify right side
    221,501.10x = 51,504,421,451.90
  5. Step 5: Solve for x
    x = 51,504,421,451.90/221,501.10
  6. Step 6: Final answer
    x = 232,524.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.