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Finding the Fourth Proportional to 395,108.55, 592,664.36 and 95,588.64

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Solution

The fourth proportional to 395,108.55, 592,664.36 and 95,588.64 is: 143,383.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,108.55 : 592,664.36 = 95,588.64 : x
  2. Step 2: Convert to fraction form
    395,108.55/592,664.36 = 95,588.64/x
  3. Step 3: Cross multiply
    395,108.55x = 592,664.36 × 95,588.64
  4. Step 4: Simplify right side
    395,108.55x = 56,651,982,305.65
  5. Step 5: Solve for x
    x = 56,651,982,305.65/395,108.55
  6. Step 6: Final answer
    x = 143,383.34

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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.