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Finding the Fourth Proportional to 244,005.40, 365,522.10 and 214,780.60

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Solution

The fourth proportional to 244,005.40, 365,522.10 and 214,780.60 is: 321,743.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,005.40 : 365,522.10 = 214,780.60 : x
  2. Step 2: Convert to fraction form
    244,005.40/365,522.10 = 214,780.60/x
  3. Step 3: Cross multiply
    244,005.40x = 365,522.10 × 214,780.60
  4. Step 4: Simplify right side
    244,005.40x = 78,507,055,951.26
  5. Step 5: Solve for x
    x = 78,507,055,951.26/244,005.40
  6. Step 6: Final answer
    x = 321,743.11

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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.