Home / 268,947.28-371,197.02-155,770

Finding the Fourth Proportional to 268,947.28, 371,197.02 and 155,770

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Solution

The fourth proportional to 268,947.28, 371,197.02 and 155,770 is: 214,991.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,947.28 : 371,197.02 = 155,770 : x
  2. Step 2: Convert to fraction form
    268,947.28/371,197.02 = 155,770/x
  3. Step 3: Cross multiply
    268,947.28x = 371,197.02 × 155,770
  4. Step 4: Simplify right side
    268,947.28x = 57,821,359,805.40
  5. Step 5: Solve for x
    x = 57,821,359,805.40/268,947.28
  6. Step 6: Final answer
    x = 214,991.43

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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.