Home / 276,810.77-381,998.85-149,486.35

Finding the Fourth Proportional to 276,810.77, 381,998.85 and 149,486.35

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Solution

The fourth proportional to 276,810.77, 381,998.85 and 149,486.35 is: 206,291.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,810.77 : 381,998.85 = 149,486.35 : x
  2. Step 2: Convert to fraction form
    276,810.77/381,998.85 = 149,486.35/x
  3. Step 3: Cross multiply
    276,810.77x = 381,998.85 × 149,486.35
  4. Step 4: Simplify right side
    276,810.77x = 57,103,611,880.70
  5. Step 5: Solve for x
    x = 57,103,611,880.70/276,810.77
  6. Step 6: Final answer
    x = 206,291.15

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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.