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Finding the Fourth Proportional to 335,380.51, 462,662.49 and 199,318.15

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Solution

The fourth proportional to 335,380.51, 462,662.49 and 199,318.15 is: 274,962.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,380.51 : 462,662.49 = 199,318.15 : x
  2. Step 2: Convert to fraction form
    335,380.51/462,662.49 = 199,318.15/x
  3. Step 3: Cross multiply
    335,380.51x = 462,662.49 × 199,318.15
  4. Step 4: Simplify right side
    335,380.51x = 92,217,031,581.19
  5. Step 5: Solve for x
    x = 92,217,031,581.19/335,380.51
  6. Step 6: Final answer
    x = 274,962.40

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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.