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Finding the Fourth Proportional to 332,551.74, 458,944.56 and 189,311.76

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Solution

The fourth proportional to 332,551.74, 458,944.56 and 189,311.76 is: 261,263.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,551.74 : 458,944.56 = 189,311.76 : x
  2. Step 2: Convert to fraction form
    332,551.74/458,944.56 = 189,311.76/x
  3. Step 3: Cross multiply
    332,551.74x = 458,944.56 × 189,311.76
  4. Step 4: Simplify right side
    332,551.74x = 86,883,602,396.03
  5. Step 5: Solve for x
    x = 86,883,602,396.03/332,551.74
  6. Step 6: Final answer
    x = 261,263.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.