Home / 442,269.60-663,404.40-109,845.60

Finding the Fourth Proportional to 442,269.60, 663,404.40 and 109,845.60

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Solution

The fourth proportional to 442,269.60, 663,404.40 and 109,845.60 is: 164,768.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,269.60 : 663,404.40 = 109,845.60 : x
  2. Step 2: Convert to fraction form
    442,269.60/663,404.40 = 109,845.60/x
  3. Step 3: Cross multiply
    442,269.60x = 663,404.40 × 109,845.60
  4. Step 4: Simplify right side
    442,269.60x = 72,872,054,360.64
  5. Step 5: Solve for x
    x = 72,872,054,360.64/442,269.60
  6. Step 6: Final answer
    x = 164,768.40

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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.