Home / 221,715.20-332,572.80-150,856.40

Finding the Fourth Proportional to 221,715.20, 332,572.80 and 150,856.40

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Solution

The fourth proportional to 221,715.20, 332,572.80 and 150,856.40 is: 226,284.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,715.20 : 332,572.80 = 150,856.40 : x
  2. Step 2: Convert to fraction form
    221,715.20/332,572.80 = 150,856.40/x
  3. Step 3: Cross multiply
    221,715.20x = 332,572.80 × 150,856.40
  4. Step 4: Simplify right side
    221,715.20x = 50,170,735,345.92
  5. Step 5: Solve for x
    x = 50,170,735,345.92/221,715.20
  6. Step 6: Final answer
    x = 226,284.60

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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.