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Finding the Fourth Proportional to 433,821.84, 650,713.58 and 118,278.76

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Solution

The fourth proportional to 433,821.84, 650,713.58 and 118,278.76 is: 177,412.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,821.84 : 650,713.58 = 118,278.76 : x
  2. Step 2: Convert to fraction form
    433,821.84/650,713.58 = 118,278.76/x
  3. Step 3: Cross multiply
    433,821.84x = 650,713.58 × 118,278.76
  4. Step 4: Simplify right side
    433,821.84x = 76,965,595,357.56
  5. Step 5: Solve for x
    x = 76,965,595,357.56/433,821.84
  6. Step 6: Final answer
    x = 177,412.91

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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.