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Finding the Fourth Proportional to 248,458.40, 372,217.39 and 146,952.44

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Solution

The fourth proportional to 248,458.40, 372,217.39 and 146,952.44 is: 220,150.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,458.40 : 372,217.39 = 146,952.44 : x
  2. Step 2: Convert to fraction form
    248,458.40/372,217.39 = 146,952.44/x
  3. Step 3: Cross multiply
    248,458.40x = 372,217.39 × 146,952.44
  4. Step 4: Simplify right side
    248,458.40x = 54,698,251,075.08
  5. Step 5: Solve for x
    x = 54,698,251,075.08/248,458.40
  6. Step 6: Final answer
    x = 220,150.55

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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.