Home / 276,811.76-382,000.23-149,487.35

Finding the Fourth Proportional to 276,811.76, 382,000.23 and 149,487.35

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Solution

The fourth proportional to 276,811.76, 382,000.23 and 149,487.35 is: 206,292.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,811.76 : 382,000.23 = 149,487.35 : x
  2. Step 2: Convert to fraction form
    276,811.76/382,000.23 = 149,487.35/x
  3. Step 3: Cross multiply
    276,811.76x = 382,000.23 × 149,487.35
  4. Step 4: Simplify right side
    276,811.76x = 57,104,200,172.09
  5. Step 5: Solve for x
    x = 57,104,200,172.09/276,811.76
  6. Step 6: Final answer
    x = 206,292.53

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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.