Home / 385,180.92-531,565.54-213,096.12

Finding the Fourth Proportional to 385,180.92, 531,565.54 and 213,096.12

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Solution

The fourth proportional to 385,180.92, 531,565.54 and 213,096.12 is: 294,081.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,180.92 : 531,565.54 = 213,096.12 : x
  2. Step 2: Convert to fraction form
    385,180.92/531,565.54 = 213,096.12/x
  3. Step 3: Cross multiply
    385,180.92x = 531,565.54 × 213,096.12
  4. Step 4: Simplify right side
    385,180.92x = 113,274,551,573.59
  5. Step 5: Solve for x
    x = 113,274,551,573.59/385,180.92
  6. Step 6: Final answer
    x = 294,081.42

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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.