Home / 476,194.82-657,105.40-282,569.12

Finding the Fourth Proportional to 476,194.82, 657,105.40 and 282,569.12

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Solution

The fourth proportional to 476,194.82, 657,105.40 and 282,569.12 is: 389,919.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,194.82 : 657,105.40 = 282,569.12 : x
  2. Step 2: Convert to fraction form
    476,194.82/657,105.40 = 282,569.12/x
  3. Step 3: Cross multiply
    476,194.82x = 657,105.40 × 282,569.12
  4. Step 4: Simplify right side
    476,194.82x = 185,677,690,633.30
  5. Step 5: Solve for x
    x = 185,677,690,633.30/476,194.82
  6. Step 6: Final answer
    x = 389,919.59

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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.