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Finding the Fourth Proportional to 184,830.90, 277,369.42 and 100,612.30

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Solution

The fourth proportional to 184,830.90, 277,369.42 and 100,612.30 is: 150,985.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,830.90 : 277,369.42 = 100,612.30 : x
  2. Step 2: Convert to fraction form
    184,830.90/277,369.42 = 100,612.30/x
  3. Step 3: Cross multiply
    184,830.90x = 277,369.42 × 100,612.30
  4. Step 4: Simplify right side
    184,830.90x = 27,906,775,295.87
  5. Step 5: Solve for x
    x = 27,906,775,295.87/184,830.90
  6. Step 6: Final answer
    x = 150,985.44

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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.