Home / 379,928.70-524,255.94-218,836.14

Finding the Fourth Proportional to 379,928.70, 524,255.94 and 218,836.14

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Solution

The fourth proportional to 379,928.70, 524,255.94 and 218,836.14 is: 301,967.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,928.70 : 524,255.94 = 218,836.14 : x
  2. Step 2: Convert to fraction form
    379,928.70/524,255.94 = 218,836.14/x
  3. Step 3: Cross multiply
    379,928.70x = 524,255.94 × 218,836.14
  4. Step 4: Simplify right side
    379,928.70x = 114,726,146,281.67
  5. Step 5: Solve for x
    x = 114,726,146,281.67/379,928.70
  6. Step 6: Final answer
    x = 301,967.57

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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.