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Finding the Fourth Proportional to 506,205.96, 759,518.52 and 221,749.56

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Solution

The fourth proportional to 506,205.96, 759,518.52 and 221,749.56 is: 332,716.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,205.96 : 759,518.52 = 221,749.56 : x
  2. Step 2: Convert to fraction form
    506,205.96/759,518.52 = 221,749.56/x
  3. Step 3: Cross multiply
    506,205.96x = 759,518.52 × 221,749.56
  4. Step 4: Simplify right side
    506,205.96x = 168,422,897,621.85
  5. Step 5: Solve for x
    x = 168,422,897,621.85/506,205.96
  6. Step 6: Final answer
    x = 332,716.15

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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.