Home / 227,669.20-341,503.80-212,117.20

Finding the Fourth Proportional to 227,669.20, 341,503.80 and 212,117.20

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Solution

The fourth proportional to 227,669.20, 341,503.80 and 212,117.20 is: 318,175.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,669.20 : 341,503.80 = 212,117.20 : x
  2. Step 2: Convert to fraction form
    227,669.20/341,503.80 = 212,117.20/x
  3. Step 3: Cross multiply
    227,669.20x = 341,503.80 × 212,117.20
  4. Step 4: Simplify right side
    227,669.20x = 72,438,829,845.36
  5. Step 5: Solve for x
    x = 72,438,829,845.36/227,669.20
  6. Step 6: Final answer
    x = 318,175.80

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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.