Home / 389,986.31-584,605.75-165,037.23

Finding the Fourth Proportional to 389,986.31, 584,605.75 and 165,037.23

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Solution

The fourth proportional to 389,986.31, 584,605.75 and 165,037.23 is: 247,397.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,986.31 : 584,605.75 = 165,037.23 : x
  2. Step 2: Convert to fraction form
    389,986.31/584,605.75 = 165,037.23/x
  3. Step 3: Cross multiply
    389,986.31x = 584,605.75 × 165,037.23
  4. Step 4: Simplify right side
    389,986.31x = 96,481,713,209.48
  5. Step 5: Solve for x
    x = 96,481,713,209.48/389,986.31
  6. Step 6: Final answer
    x = 247,397.69

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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.