Home / 268,327.18-402,487.94-68,645.98

Finding the Fourth Proportional to 268,327.18, 402,487.94 and 68,645.98

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Solution

The fourth proportional to 268,327.18, 402,487.94 and 68,645.98 is: 102,968.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,327.18 : 402,487.94 = 68,645.98 : x
  2. Step 2: Convert to fraction form
    268,327.18/402,487.94 = 68,645.98/x
  3. Step 3: Cross multiply
    268,327.18x = 402,487.94 × 68,645.98
  4. Step 4: Simplify right side
    268,327.18x = 27,629,179,368.07
  5. Step 5: Solve for x
    x = 27,629,179,368.07/268,327.18
  6. Step 6: Final answer
    x = 102,968.25

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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.