Home / 252,738.84-348,856.82-155,972.28

Finding the Fourth Proportional to 252,738.84, 348,856.82 and 155,972.28

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Solution

The fourth proportional to 252,738.84, 348,856.82 and 155,972.28 is: 215,289.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,738.84 : 348,856.82 = 155,972.28 : x
  2. Step 2: Convert to fraction form
    252,738.84/348,856.82 = 155,972.28/x
  3. Step 3: Cross multiply
    252,738.84x = 348,856.82 × 155,972.28
  4. Step 4: Simplify right side
    252,738.84x = 54,411,993,608.95
  5. Step 5: Solve for x
    x = 54,411,993,608.95/252,738.84
  6. Step 6: Final answer
    x = 215,289.40

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1.5x scale

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.