Home / 347,737.88-479,890.08-194,782.64

Finding the Fourth Proportional to 347,737.88, 479,890.08 and 194,782.64

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Solution

The fourth proportional to 347,737.88, 479,890.08 and 194,782.64 is: 268,806.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,737.88 : 479,890.08 = 194,782.64 : x
  2. Step 2: Convert to fraction form
    347,737.88/479,890.08 = 194,782.64/x
  3. Step 3: Cross multiply
    347,737.88x = 479,890.08 × 194,782.64
  4. Step 4: Simplify right side
    347,737.88x = 93,474,256,692.21
  5. Step 5: Solve for x
    x = 93,474,256,692.21/347,737.88
  6. Step 6: Final answer
    x = 268,806.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.