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Finding the Fourth Proportional to 248,448.72, 372,665.20 and 70,955.64

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Solution

The fourth proportional to 248,448.72, 372,665.20 and 70,955.64 is: 106,431.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,448.72 : 372,665.20 = 70,955.64 : x
  2. Step 2: Convert to fraction form
    248,448.72/372,665.20 = 70,955.64/x
  3. Step 3: Cross multiply
    248,448.72x = 372,665.20 × 70,955.64
  4. Step 4: Simplify right side
    248,448.72x = 26,442,697,771.73
  5. Step 5: Solve for x
    x = 26,442,697,771.73/248,448.72
  6. Step 6: Final answer
    x = 106,431.21

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1.5x scale

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.