Home / 303,981.32-455,981.24-104,298.88

Finding the Fourth Proportional to 303,981.32, 455,981.24 and 104,298.88

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Solution

The fourth proportional to 303,981.32, 455,981.24 and 104,298.88 is: 156,451.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,981.32 : 455,981.24 = 104,298.88 : x
  2. Step 2: Convert to fraction form
    303,981.32/455,981.24 = 104,298.88/x
  3. Step 3: Cross multiply
    303,981.32x = 455,981.24 × 104,298.88
  4. Step 4: Simplify right side
    303,981.32x = 47,558,332,633.01
  5. Step 5: Solve for x
    x = 47,558,332,633.01/303,981.32
  6. Step 6: Final answer
    x = 156,451.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.