Home / 276,824.89-382,018.29-149,500.45

Finding the Fourth Proportional to 276,824.89, 382,018.29 and 149,500.45

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Solution

The fourth proportional to 276,824.89, 382,018.29 and 149,500.45 is: 206,310.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,824.89 : 382,018.29 = 149,500.45 : x
  2. Step 2: Convert to fraction form
    276,824.89/382,018.29 = 149,500.45/x
  3. Step 3: Cross multiply
    276,824.89x = 382,018.29 × 149,500.45
  4. Step 4: Simplify right side
    276,824.89x = 57,111,906,263.23
  5. Step 5: Solve for x
    x = 57,111,906,263.23/276,824.89
  6. Step 6: Final answer
    x = 206,310.59

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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.