Home / 238,228.47-357,266.82-78,267.27

Finding the Fourth Proportional to 238,228.47, 357,266.82 and 78,267.27

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Solution

The fourth proportional to 238,228.47, 357,266.82 and 78,267.27 is: 117,375.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,228.47 : 357,266.82 = 78,267.27 : x
  2. Step 2: Convert to fraction form
    238,228.47/357,266.82 = 78,267.27/x
  3. Step 3: Cross multiply
    238,228.47x = 357,266.82 × 78,267.27
  4. Step 4: Simplify right side
    238,228.47x = 27,962,298,662.98
  5. Step 5: Solve for x
    x = 27,962,298,662.98/238,228.47
  6. Step 6: Final answer
    x = 117,375.97

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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.