Home / 281,853.14-423,255.98-279,675.86

Finding the Fourth Proportional to 281,853.14, 423,255.98 and 279,675.86

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Solution

The fourth proportional to 281,853.14, 423,255.98 and 279,675.86 is: 419,986.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,853.14 : 423,255.98 = 279,675.86 : x
  2. Step 2: Convert to fraction form
    281,853.14/423,255.98 = 279,675.86/x
  3. Step 3: Cross multiply
    281,853.14x = 423,255.98 × 279,675.86
  4. Step 4: Simplify right side
    281,853.14x = 118,374,478,789.55
  5. Step 5: Solve for x
    x = 118,374,478,789.55/281,853.14
  6. Step 6: Final answer
    x = 419,986.38

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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.