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Finding the Fourth Proportional to 248,883.58, 373,275.15 and 71,342.92

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Solution

The fourth proportional to 248,883.58, 373,275.15 and 71,342.92 is: 106,999.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,883.58 : 373,275.15 = 71,342.92 : x
  2. Step 2: Convert to fraction form
    248,883.58/373,275.15 = 71,342.92/x
  3. Step 3: Cross multiply
    248,883.58x = 373,275.15 × 71,342.92
  4. Step 4: Simplify right side
    248,883.58x = 26,630,539,164.44
  5. Step 5: Solve for x
    x = 26,630,539,164.44/248,883.58
  6. Step 6: Final answer
    x = 106,999.98

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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.