Home / 389,736.90-584,382.06-119,794.75

Finding the Fourth Proportional to 389,736.90, 584,382.06 and 119,794.75

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Solution

The fourth proportional to 389,736.90, 584,382.06 and 119,794.75 is: 179,623.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,736.90 : 584,382.06 = 119,794.75 : x
  2. Step 2: Convert to fraction form
    389,736.90/584,382.06 = 119,794.75/x
  3. Step 3: Cross multiply
    389,736.90x = 584,382.06 × 119,794.75
  4. Step 4: Simplify right side
    389,736.90x = 70,005,901,321.23
  5. Step 5: Solve for x
    x = 70,005,901,321.23/389,736.90
  6. Step 6: Final answer
    x = 179,623.49

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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.