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Finding the Fourth Proportional to 184,770.60, 277,228.80 and 72,431.70

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Solution

The fourth proportional to 184,770.60, 277,228.80 and 72,431.70 is: 108,676.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,770.60 : 277,228.80 = 72,431.70 : x
  2. Step 2: Convert to fraction form
    184,770.60/277,228.80 = 72,431.70/x
  3. Step 3: Cross multiply
    184,770.60x = 277,228.80 × 72,431.70
  4. Step 4: Simplify right side
    184,770.60x = 20,080,153,272.96
  5. Step 5: Solve for x
    x = 20,080,153,272.96/184,770.60
  6. Step 6: Final answer
    x = 108,676.13

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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.