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Finding the Fourth Proportional to 395,182.78, 592,775.70 and 95,662.87

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Solution

The fourth proportional to 395,182.78, 592,775.70 and 95,662.87 is: 143,494.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,182.78 : 592,775.70 = 95,662.87 : x
  2. Step 2: Convert to fraction form
    395,182.78/592,775.70 = 95,662.87/x
  3. Step 3: Cross multiply
    395,182.78x = 592,775.70 × 95,662.87
  4. Step 4: Simplify right side
    395,182.78x = 56,706,623,246.32
  5. Step 5: Solve for x
    x = 56,706,623,246.32/395,182.78
  6. Step 6: Final answer
    x = 143,494.67

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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.