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Finding the Fourth Proportional to 182,272.60, 273,447.30 and 77,037.40

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Solution

The fourth proportional to 182,272.60, 273,447.30 and 77,037.40 is: 115,572.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,272.60 : 273,447.30 = 77,037.40 : x
  2. Step 2: Convert to fraction form
    182,272.60/273,447.30 = 77,037.40/x
  3. Step 3: Cross multiply
    182,272.60x = 273,447.30 × 77,037.40
  4. Step 4: Simplify right side
    182,272.60x = 21,065,669,029.02
  5. Step 5: Solve for x
    x = 21,065,669,029.02/182,272.60
  6. Step 6: Final answer
    x = 115,572.33

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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.