Home / 276,885.03-382,101.35-149,560.63

Finding the Fourth Proportional to 276,885.03, 382,101.35 and 149,560.63

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Solution

The fourth proportional to 276,885.03, 382,101.35 and 149,560.63 is: 206,393.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,885.03 : 382,101.35 = 149,560.63 : x
  2. Step 2: Convert to fraction form
    276,885.03/382,101.35 = 149,560.63/x
  3. Step 3: Cross multiply
    276,885.03x = 382,101.35 × 149,560.63
  4. Step 4: Simplify right side
    276,885.03x = 57,147,318,629.85
  5. Step 5: Solve for x
    x = 57,147,318,629.85/276,885.03
  6. Step 6: Final answer
    x = 206,393.67

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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.