Home / 356,829.65-492,379.55-203,877.75

Finding the Fourth Proportional to 356,829.65, 492,379.55 and 203,877.75

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Solution

The fourth proportional to 356,829.65, 492,379.55 and 203,877.75 is: 281,325.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,829.65 : 492,379.55 = 203,877.75 : x
  2. Step 2: Convert to fraction form
    356,829.65/492,379.55 = 203,877.75/x
  3. Step 3: Cross multiply
    356,829.65x = 492,379.55 × 203,877.75
  4. Step 4: Simplify right side
    356,829.65x = 100,385,233,780.62
  5. Step 5: Solve for x
    x = 100,385,233,780.62/356,829.65
  6. Step 6: Final answer
    x = 281,325.37

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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.