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Finding the Fourth Proportional to 294,722.76, 442,170.38 and 95,039.12

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Solution

The fourth proportional to 294,722.76, 442,170.38 and 95,039.12 is: 142,586.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,722.76 : 442,170.38 = 95,039.12 : x
  2. Step 2: Convert to fraction form
    294,722.76/442,170.38 = 95,039.12/x
  3. Step 3: Cross multiply
    294,722.76x = 442,170.38 × 95,039.12
  4. Step 4: Simplify right side
    294,722.76x = 42,023,483,805.27
  5. Step 5: Solve for x
    x = 42,023,483,805.27/294,722.76
  6. Step 6: Final answer
    x = 142,586.49

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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.