Home / 386,719.66-533,563.50-250,759

Finding the Fourth Proportional to 386,719.66, 533,563.50 and 250,759

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Solution

The fourth proportional to 386,719.66, 533,563.50 and 250,759 is: 345,976.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,719.66 : 533,563.50 = 250,759 : x
  2. Step 2: Convert to fraction form
    386,719.66/533,563.50 = 250,759/x
  3. Step 3: Cross multiply
    386,719.66x = 533,563.50 × 250,759
  4. Step 4: Simplify right side
    386,719.66x = 133,795,849,696.50
  5. Step 5: Solve for x
    x = 133,795,849,696.50/386,719.66
  6. Step 6: Final answer
    x = 345,976.33

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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.