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Finding the Fourth Proportional to 221,675.70, 332,513.55 and 192,807.30

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Solution

The fourth proportional to 221,675.70, 332,513.55 and 192,807.30 is: 289,210.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,675.70 : 332,513.55 = 192,807.30 : x
  2. Step 2: Convert to fraction form
    221,675.70/332,513.55 = 192,807.30/x
  3. Step 3: Cross multiply
    221,675.70x = 332,513.55 × 192,807.30
  4. Step 4: Simplify right side
    221,675.70x = 64,111,039,788.92
  5. Step 5: Solve for x
    x = 64,111,039,788.92/221,675.70
  6. Step 6: Final answer
    x = 289,210.95

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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.