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Finding the Fourth Proportional to 335,890.80, 463,624.56 and 221,253.12

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Solution

The fourth proportional to 335,890.80, 463,624.56 and 221,253.12 is: 305,392.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,890.80 : 463,624.56 = 221,253.12 : x
  2. Step 2: Convert to fraction form
    335,890.80/463,624.56 = 221,253.12/x
  3. Step 3: Cross multiply
    335,890.80x = 463,624.56 × 221,253.12
  4. Step 4: Simplify right side
    335,890.80x = 102,578,380,408.63
  5. Step 5: Solve for x
    x = 102,578,380,408.63/335,890.80
  6. Step 6: Final answer
    x = 305,392.05

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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.