Home / 228,935.60-343,435.80-71,147.60

Finding the Fourth Proportional to 228,935.60, 343,435.80 and 71,147.60

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Solution

The fourth proportional to 228,935.60, 343,435.80 and 71,147.60 is: 106,731.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,935.60 : 343,435.80 = 71,147.60 : x
  2. Step 2: Convert to fraction form
    228,935.60/343,435.80 = 71,147.60/x
  3. Step 3: Cross multiply
    228,935.60x = 343,435.80 × 71,147.60
  4. Step 4: Simplify right side
    228,935.60x = 24,434,632,924.08
  5. Step 5: Solve for x
    x = 24,434,632,924.08/228,935.60
  6. Step 6: Final answer
    x = 106,731.47

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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.