Home / 268,897.28-371,072.40-148,033.94

Finding the Fourth Proportional to 268,897.28, 371,072.40 and 148,033.94

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Solution

The fourth proportional to 268,897.28, 371,072.40 and 148,033.94 is: 204,283.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,897.28 : 371,072.40 = 148,033.94 : x
  2. Step 2: Convert to fraction form
    268,897.28/371,072.40 = 148,033.94/x
  3. Step 3: Cross multiply
    268,897.28x = 371,072.40 × 148,033.94
  4. Step 4: Simplify right side
    268,897.28x = 54,931,309,397.26
  5. Step 5: Solve for x
    x = 54,931,309,397.26/268,897.28
  6. Step 6: Final answer
    x = 204,283.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.