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Finding the Fourth Proportional to 221,604.03, 332,406.05 and 103,358.07

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Solution

The fourth proportional to 221,604.03, 332,406.05 and 103,358.07 is: 155,037.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,604.03 : 332,406.05 = 103,358.07 : x
  2. Step 2: Convert to fraction form
    221,604.03/332,406.05 = 103,358.07/x
  3. Step 3: Cross multiply
    221,604.03x = 332,406.05 × 103,358.07
  4. Step 4: Simplify right side
    221,604.03x = 34,356,847,267.53
  5. Step 5: Solve for x
    x = 34,356,847,267.53/221,604.03
  6. Step 6: Final answer
    x = 155,037.11

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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.