Home / 384,915.03-577,396.17-148,258.41

Finding the Fourth Proportional to 384,915.03, 577,396.17 and 148,258.41

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Solution

The fourth proportional to 384,915.03, 577,396.17 and 148,258.41 is: 222,396.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,915.03 : 577,396.17 = 148,258.41 : x
  2. Step 2: Convert to fraction form
    384,915.03/577,396.17 = 148,258.41/x
  3. Step 3: Cross multiply
    384,915.03x = 577,396.17 × 148,258.41
  4. Step 4: Simplify right side
    384,915.03x = 85,603,838,104.29
  5. Step 5: Solve for x
    x = 85,603,838,104.29/384,915.03
  6. Step 6: Final answer
    x = 222,396.71

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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.