Home / 220,288.48-330,580.35-141,458.06

Finding the Fourth Proportional to 220,288.48, 330,580.35 and 141,458.06

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Solution

The fourth proportional to 220,288.48, 330,580.35 and 141,458.06 is: 212,281.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,288.48 : 330,580.35 = 141,458.06 : x
  2. Step 2: Convert to fraction form
    220,288.48/330,580.35 = 141,458.06/x
  3. Step 3: Cross multiply
    220,288.48x = 330,580.35 × 141,458.06
  4. Step 4: Simplify right side
    220,288.48x = 46,763,255,811.57
  5. Step 5: Solve for x
    x = 46,763,255,811.57/220,288.48
  6. Step 6: Final answer
    x = 212,281.90

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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.