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Finding the Fourth Proportional to 184,999.80, 277,378.20 and 72,612.30

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Solution

The fourth proportional to 184,999.80, 277,378.20 and 72,612.30 is: 108,870.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,999.80 : 277,378.20 = 72,612.30 : x
  2. Step 2: Convert to fraction form
    184,999.80/277,378.20 = 72,612.30/x
  3. Step 3: Cross multiply
    184,999.80x = 277,378.20 × 72,612.30
  4. Step 4: Simplify right side
    184,999.80x = 20,141,069,071.86
  5. Step 5: Solve for x
    x = 20,141,069,071.86/184,999.80
  6. Step 6: Final answer
    x = 108,870.76

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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.