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Finding the Fourth Proportional to 240,624.60, 360,936.90 and 219,629.40

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Solution

The fourth proportional to 240,624.60, 360,936.90 and 219,629.40 is: 329,444.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,624.60 : 360,936.90 = 219,629.40 : x
  2. Step 2: Convert to fraction form
    240,624.60/360,936.90 = 219,629.40/x
  3. Step 3: Cross multiply
    240,624.60x = 360,936.90 × 219,629.40
  4. Step 4: Simplify right side
    240,624.60x = 79,272,354,784.86
  5. Step 5: Solve for x
    x = 79,272,354,784.86/240,624.60
  6. Step 6: Final answer
    x = 329,444.10

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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.