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Finding the Fourth Proportional to 383,523.21, 575,367.89 and 146,865.92

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Solution

The fourth proportional to 383,523.21, 575,367.89 and 146,865.92 is: 220,330.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,523.21 : 575,367.89 = 146,865.92 : x
  2. Step 2: Convert to fraction form
    383,523.21/575,367.89 = 146,865.92/x
  3. Step 3: Cross multiply
    383,523.21x = 575,367.89 × 146,865.92
  4. Step 4: Simplify right side
    383,523.21x = 84,501,931,718.26
  5. Step 5: Solve for x
    x = 84,501,931,718.26/383,523.21
  6. Step 6: Final answer
    x = 220,330.69

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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.