Home / 310,822.20-465,455.70-248,614.20

Finding the Fourth Proportional to 310,822.20, 465,455.70 and 248,614.20

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Solution

The fourth proportional to 310,822.20, 465,455.70 and 248,614.20 is: 372,299.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,822.20 : 465,455.70 = 248,614.20 : x
  2. Step 2: Convert to fraction form
    310,822.20/465,455.70 = 248,614.20/x
  3. Step 3: Cross multiply
    310,822.20x = 465,455.70 × 248,614.20
  4. Step 4: Simplify right side
    310,822.20x = 115,718,896,490.94
  5. Step 5: Solve for x
    x = 115,718,896,490.94/310,822.20
  6. Step 6: Final answer
    x = 372,299.33

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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.