Home / 268,781.53-370,943.37-147,947.35

Finding the Fourth Proportional to 268,781.53, 370,943.37 and 147,947.35

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Solution

The fourth proportional to 268,781.53, 370,943.37 and 147,947.35 is: 204,181.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,781.53 : 370,943.37 = 147,947.35 : x
  2. Step 2: Convert to fraction form
    268,781.53/370,943.37 = 147,947.35/x
  3. Step 3: Cross multiply
    268,781.53x = 370,943.37 × 147,947.35
  4. Step 4: Simplify right side
    268,781.53x = 54,880,088,591.57
  5. Step 5: Solve for x
    x = 54,880,088,591.57/268,781.53
  6. Step 6: Final answer
    x = 204,181.03

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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.