Home / 226,009.60-339,014.40-137,436.80

Finding the Fourth Proportional to 226,009.60, 339,014.40 and 137,436.80

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Solution

The fourth proportional to 226,009.60, 339,014.40 and 137,436.80 is: 206,155.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,009.60 : 339,014.40 = 137,436.80 : x
  2. Step 2: Convert to fraction form
    226,009.60/339,014.40 = 137,436.80/x
  3. Step 3: Cross multiply
    226,009.60x = 339,014.40 × 137,436.80
  4. Step 4: Simplify right side
    226,009.60x = 46,593,054,289.92
  5. Step 5: Solve for x
    x = 46,593,054,289.92/226,009.60
  6. Step 6: Final answer
    x = 206,155.20

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1.5x scale

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.