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Finding the Fourth Proportional to 265,788.58, 398,682.87 and 182,429.86

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Solution

The fourth proportional to 265,788.58, 398,682.87 and 182,429.86 is: 273,644.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,788.58 : 398,682.87 = 182,429.86 : x
  2. Step 2: Convert to fraction form
    265,788.58/398,682.87 = 182,429.86/x
  3. Step 3: Cross multiply
    265,788.58x = 398,682.87 × 182,429.86
  4. Step 4: Simplify right side
    265,788.58x = 72,731,660,158.50
  5. Step 5: Solve for x
    x = 72,731,660,158.50/265,788.58
  6. Step 6: Final answer
    x = 273,644.79

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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.