Home / 228,869.07-343,325.67-71,055.15

Finding the Fourth Proportional to 228,869.07, 343,325.67 and 71,055.15

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Solution

The fourth proportional to 228,869.07, 343,325.67 and 71,055.15 is: 106,589.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,869.07 : 343,325.67 = 71,055.15 : x
  2. Step 2: Convert to fraction form
    228,869.07/343,325.67 = 71,055.15/x
  3. Step 3: Cross multiply
    228,869.07x = 343,325.67 × 71,055.15
  4. Step 4: Simplify right side
    228,869.07x = 24,395,056,980.70
  5. Step 5: Solve for x
    x = 24,395,056,980.70/228,869.07
  6. Step 6: Final answer
    x = 106,589.58

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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.