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Finding the Fourth Proportional to 651,435.36, 976,912.88 and 224,862.63

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Solution

The fourth proportional to 651,435.36, 976,912.88 and 224,862.63 is: 337,211.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,435.36 : 976,912.88 = 224,862.63 : x
  2. Step 2: Convert to fraction form
    651,435.36/976,912.88 = 224,862.63/x
  3. Step 3: Cross multiply
    651,435.36x = 976,912.88 × 224,862.63
  4. Step 4: Simplify right side
    651,435.36x = 219,671,198,353.36
  5. Step 5: Solve for x
    x = 219,671,198,353.36/651,435.36
  6. Step 6: Final answer
    x = 337,211.04

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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.