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Finding the Fourth Proportional to 356,527.90, 492,012.37 and 195,379.49

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Solution

The fourth proportional to 356,527.90, 492,012.37 and 195,379.49 is: 269,625.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,527.90 : 492,012.37 = 195,379.49 : x
  2. Step 2: Convert to fraction form
    356,527.90/492,012.37 = 195,379.49/x
  3. Step 3: Cross multiply
    356,527.90x = 492,012.37 × 195,379.49
  4. Step 4: Simplify right side
    356,527.90x = 96,129,123,464.23
  5. Step 5: Solve for x
    x = 96,129,123,464.23/356,527.90
  6. Step 6: Final answer
    x = 269,625.81

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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.