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Finding the Fourth Proportional to 395,239.77, 592,857.66 and 95,720.34

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Solution

The fourth proportional to 395,239.77, 592,857.66 and 95,720.34 is: 143,580.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,239.77 : 592,857.66 = 95,720.34 : x
  2. Step 2: Convert to fraction form
    395,239.77/592,857.66 = 95,720.34/x
  3. Step 3: Cross multiply
    395,239.77x = 592,857.66 × 95,720.34
  4. Step 4: Simplify right side
    395,239.77x = 56,748,536,786.80
  5. Step 5: Solve for x
    x = 56,748,536,786.80/395,239.77
  6. Step 6: Final answer
    x = 143,580.03

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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.