Home / 228,933.56-343,403.23-86,740.65

Finding the Fourth Proportional to 228,933.56, 343,403.23 and 86,740.65

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Solution

The fourth proportional to 228,933.56, 343,403.23 and 86,740.65 is: 130,112.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,933.56 : 343,403.23 = 86,740.65 : x
  2. Step 2: Convert to fraction form
    228,933.56/343,403.23 = 86,740.65/x
  3. Step 3: Cross multiply
    228,933.56x = 343,403.23 × 86,740.65
  4. Step 4: Simplify right side
    228,933.56x = 29,787,019,065.64
  5. Step 5: Solve for x
    x = 29,787,019,065.64/228,933.56
  6. Step 6: Final answer
    x = 130,112.07

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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.