Home / 229,765.40-344,907.30-136,323.80

Finding the Fourth Proportional to 229,765.40, 344,907.30 and 136,323.80

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Solution

The fourth proportional to 229,765.40, 344,907.30 and 136,323.80 is: 204,639.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,765.40 : 344,907.30 = 136,323.80 : x
  2. Step 2: Convert to fraction form
    229,765.40/344,907.30 = 136,323.80/x
  3. Step 3: Cross multiply
    229,765.40x = 344,907.30 × 136,323.80
  4. Step 4: Simplify right side
    229,765.40x = 47,019,073,783.74
  5. Step 5: Solve for x
    x = 47,019,073,783.74/229,765.40
  6. Step 6: Final answer
    x = 204,639.49

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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.