Home / 396,074.60-546,439.34-260,181.72

Finding the Fourth Proportional to 396,074.60, 546,439.34 and 260,181.72

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Solution

The fourth proportional to 396,074.60, 546,439.34 and 260,181.72 is: 358,956.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,074.60 : 546,439.34 = 260,181.72 : x
  2. Step 2: Convert to fraction form
    396,074.60/546,439.34 = 260,181.72/x
  3. Step 3: Cross multiply
    396,074.60x = 546,439.34 × 260,181.72
  4. Step 4: Simplify right side
    396,074.60x = 142,173,527,356.87
  5. Step 5: Solve for x
    x = 142,173,527,356.87/396,074.60
  6. Step 6: Final answer
    x = 358,956.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.