Home / 276,570.90-381,715.50-160,268.07

Finding the Fourth Proportional to 276,570.90, 381,715.50 and 160,268.07

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Solution

The fourth proportional to 276,570.90, 381,715.50 and 160,268.07 is: 221,197.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,570.90 : 381,715.50 = 160,268.07 : x
  2. Step 2: Convert to fraction form
    276,570.90/381,715.50 = 160,268.07/x
  3. Step 3: Cross multiply
    276,570.90x = 381,715.50 × 160,268.07
  4. Step 4: Simplify right side
    276,570.90x = 61,176,806,474.09
  5. Step 5: Solve for x
    x = 61,176,806,474.09/276,570.90
  6. Step 6: Final answer
    x = 221,197.55

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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.