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Finding the Fourth Proportional to 263,575.62, 363,788.01 and 178,720.02

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Solution

The fourth proportional to 263,575.62, 363,788.01 and 178,720.02 is: 246,670.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,575.62 : 363,788.01 = 178,720.02 : x
  2. Step 2: Convert to fraction form
    263,575.62/363,788.01 = 178,720.02/x
  3. Step 3: Cross multiply
    263,575.62x = 363,788.01 × 178,720.02
  4. Step 4: Simplify right side
    263,575.62x = 65,016,200,422.96
  5. Step 5: Solve for x
    x = 65,016,200,422.96/263,575.62
  6. Step 6: Final answer
    x = 246,670.01

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1.5x scale

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.