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Finding the Fourth Proportional to 295,479.79, 443,289.85 and 95,800.31

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Solution

The fourth proportional to 295,479.79, 443,289.85 and 95,800.31 is: 143,723.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,479.79 : 443,289.85 = 95,800.31 : x
  2. Step 2: Convert to fraction form
    295,479.79/443,289.85 = 95,800.31/x
  3. Step 3: Cross multiply
    295,479.79x = 443,289.85 × 95,800.31
  4. Step 4: Simplify right side
    295,479.79x = 42,467,302,354.40
  5. Step 5: Solve for x
    x = 42,467,302,354.40/295,479.79
  6. Step 6: Final answer
    x = 143,723.21

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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.