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Finding the Fourth Proportional to 395,191.13, 592,788.20 and 95,671.22

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Solution

The fourth proportional to 395,191.13, 592,788.20 and 95,671.22 is: 143,507.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,191.13 : 592,788.20 = 95,671.22 : x
  2. Step 2: Convert to fraction form
    395,191.13/592,788.20 = 95,671.22/x
  3. Step 3: Cross multiply
    395,191.13x = 592,788.20 × 95,671.22
  4. Step 4: Simplify right side
    395,191.13x = 56,712,766,853.31
  5. Step 5: Solve for x
    x = 56,712,766,853.31/395,191.13
  6. Step 6: Final answer
    x = 143,507.19

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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.