Home / 276,228.37-381,199.09-163,051.12

Finding the Fourth Proportional to 276,228.37, 381,199.09 and 163,051.12

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Solution

The fourth proportional to 276,228.37, 381,199.09 and 163,051.12 is: 225,012.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,228.37 : 381,199.09 = 163,051.12 : x
  2. Step 2: Convert to fraction form
    276,228.37/381,199.09 = 163,051.12/x
  3. Step 3: Cross multiply
    276,228.37x = 381,199.09 × 163,051.12
  4. Step 4: Simplify right side
    276,228.37x = 62,154,937,206.86
  5. Step 5: Solve for x
    x = 62,154,937,206.86/276,228.37
  6. Step 6: Final answer
    x = 225,012.87

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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.