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Finding the Fourth Proportional to 248,012.78, 370,334.75 and 241,286.75

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Solution

The fourth proportional to 248,012.78, 370,334.75 and 241,286.75 is: 360,291.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,012.78 : 370,334.75 = 241,286.75 : x
  2. Step 2: Convert to fraction form
    248,012.78/370,334.75 = 241,286.75/x
  3. Step 3: Cross multiply
    248,012.78x = 370,334.75 × 241,286.75
  4. Step 4: Simplify right side
    248,012.78x = 89,356,866,991.11
  5. Step 5: Solve for x
    x = 89,356,866,991.11/248,012.78
  6. Step 6: Final answer
    x = 360,291.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.