Home / 368,976.40-553,625.42-129,262.27

Finding the Fourth Proportional to 368,976.40, 553,625.42 and 129,262.27

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Solution

The fourth proportional to 368,976.40, 553,625.42 and 129,262.27 is: 193,949.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,976.40 : 553,625.42 = 129,262.27 : x
  2. Step 2: Convert to fraction form
    368,976.40/553,625.42 = 129,262.27/x
  3. Step 3: Cross multiply
    368,976.40x = 553,625.42 × 129,262.27
  4. Step 4: Simplify right side
    368,976.40x = 71,562,877,458.00
  5. Step 5: Solve for x
    x = 71,562,877,458.00/368,976.40
  6. Step 6: Final answer
    x = 193,949.74

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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.