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Finding the Fourth Proportional to 394,770.60, 592,150.44 and 95,248.68

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Solution

The fourth proportional to 394,770.60, 592,150.44 and 95,248.68 is: 142,871.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,770.60 : 592,150.44 = 95,248.68 : x
  2. Step 2: Convert to fraction form
    394,770.60/592,150.44 = 95,248.68/x
  3. Step 3: Cross multiply
    394,770.60x = 592,150.44 × 95,248.68
  4. Step 4: Simplify right side
    394,770.60x = 56,401,547,771.42
  5. Step 5: Solve for x
    x = 56,401,547,771.42/394,770.60
  6. Step 6: Final answer
    x = 142,871.70

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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.