Home / 276,039.08-381,224.35-245,948.90

Finding the Fourth Proportional to 276,039.08, 381,224.35 and 245,948.90

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Solution

The fourth proportional to 276,039.08, 381,224.35 and 245,948.90 is: 339,668.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,039.08 : 381,224.35 = 245,948.90 : x
  2. Step 2: Convert to fraction form
    276,039.08/381,224.35 = 245,948.90/x
  3. Step 3: Cross multiply
    276,039.08x = 381,224.35 × 245,948.90
  4. Step 4: Simplify right side
    276,039.08x = 93,761,709,535.72
  5. Step 5: Solve for x
    x = 93,761,709,535.72/276,039.08
  6. Step 6: Final answer
    x = 339,668.24

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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.