Home / 234,915.21-352,369.76-57,423.78

Finding the Fourth Proportional to 234,915.21, 352,369.76 and 57,423.78

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Solution

The fourth proportional to 234,915.21, 352,369.76 and 57,423.78 is: 86,134.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,915.21 : 352,369.76 = 57,423.78 : x
  2. Step 2: Convert to fraction form
    234,915.21/352,369.76 = 57,423.78/x
  3. Step 3: Cross multiply
    234,915.21x = 352,369.76 × 57,423.78
  4. Step 4: Simplify right side
    234,915.21x = 20,234,403,289.77
  5. Step 5: Solve for x
    x = 20,234,403,289.77/234,915.21
  6. Step 6: Final answer
    x = 86,134.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.