Home / 379,933.56-524,256.96-216,611.13

Finding the Fourth Proportional to 379,933.56, 524,256.96 and 216,611.13

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Solution

The fourth proportional to 379,933.56, 524,256.96 and 216,611.13 is: 298,894.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,933.56 : 524,256.96 = 216,611.13 : x
  2. Step 2: Convert to fraction form
    379,933.56/524,256.96 = 216,611.13/x
  3. Step 3: Cross multiply
    379,933.56x = 524,256.96 × 216,611.13
  4. Step 4: Simplify right side
    379,933.56x = 113,559,892,743.55
  5. Step 5: Solve for x
    x = 113,559,892,743.55/379,933.56
  6. Step 6: Final answer
    x = 298,894.09

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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.