Home / 389,821.74-584,965.88-168,205.74

Finding the Fourth Proportional to 389,821.74, 584,965.88 and 168,205.74

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Solution

The fourth proportional to 389,821.74, 584,965.88 and 168,205.74 is: 252,409.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,821.74 : 584,965.88 = 168,205.74 : x
  2. Step 2: Convert to fraction form
    389,821.74/584,965.88 = 168,205.74/x
  3. Step 3: Cross multiply
    389,821.74x = 584,965.88 × 168,205.74
  4. Step 4: Simplify right side
    389,821.74x = 98,394,616,947.04
  5. Step 5: Solve for x
    x = 98,394,616,947.04/389,821.74
  6. Step 6: Final answer
    x = 252,409.26

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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.