Home / 228,928.67-343,346.22-86,724.92

Finding the Fourth Proportional to 228,928.67, 343,346.22 and 86,724.92

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Solution

The fourth proportional to 228,928.67, 343,346.22 and 86,724.92 is: 130,069.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,928.67 : 343,346.22 = 86,724.92 : x
  2. Step 2: Convert to fraction form
    228,928.67/343,346.22 = 86,724.92/x
  3. Step 3: Cross multiply
    228,928.67x = 343,346.22 × 86,724.92
  4. Step 4: Simplify right side
    228,928.67x = 29,776,671,745.07
  5. Step 5: Solve for x
    x = 29,776,671,745.07/228,928.67
  6. Step 6: Final answer
    x = 130,069.65

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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.