Home / 229,288.90-343,622.30-129,399.70

Finding the Fourth Proportional to 229,288.90, 343,622.30 and 129,399.70

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Solution

The fourth proportional to 229,288.90, 343,622.30 and 129,399.70 is: 193,924.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,288.90 : 343,622.30 = 129,399.70 : x
  2. Step 2: Convert to fraction form
    229,288.90/343,622.30 = 129,399.70/x
  3. Step 3: Cross multiply
    229,288.90x = 343,622.30 × 129,399.70
  4. Step 4: Simplify right side
    229,288.90x = 44,464,622,533.31
  5. Step 5: Solve for x
    x = 44,464,622,533.31/229,288.90
  6. Step 6: Final answer
    x = 193,924.01

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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.