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Finding the Fourth Proportional to 640,425.08, 960,495.98 and 184,917.48

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Solution

The fourth proportional to 640,425.08, 960,495.98 and 184,917.48 is: 277,335.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    640,425.08 : 960,495.98 = 184,917.48 : x
  2. Step 2: Convert to fraction form
    640,425.08/960,495.98 = 184,917.48/x
  3. Step 3: Cross multiply
    640,425.08x = 960,495.98 × 184,917.48
  4. Step 4: Simplify right side
    640,425.08x = 177,612,496,287.30
  5. Step 5: Solve for x
    x = 177,612,496,287.30/640,425.08
  6. Step 6: Final answer
    x = 277,335.32

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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.