Home / 275,931.40-413,897.10-205,072.60

Finding the Fourth Proportional to 275,931.40, 413,897.10 and 205,072.60

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Solution

The fourth proportional to 275,931.40, 413,897.10 and 205,072.60 is: 307,608.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,931.40 : 413,897.10 = 205,072.60 : x
  2. Step 2: Convert to fraction form
    275,931.40/413,897.10 = 205,072.60/x
  3. Step 3: Cross multiply
    275,931.40x = 413,897.10 × 205,072.60
  4. Step 4: Simplify right side
    275,931.40x = 84,878,954,429.46
  5. Step 5: Solve for x
    x = 84,878,954,429.46/275,931.40
  6. Step 6: Final answer
    x = 307,608.90

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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.