Home / 303,971.06-455,965.85-104,288.65

Finding the Fourth Proportional to 303,971.06, 455,965.85 and 104,288.65

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Solution

The fourth proportional to 303,971.06, 455,965.85 and 104,288.65 is: 156,436.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,971.06 : 455,965.85 = 104,288.65 : x
  2. Step 2: Convert to fraction form
    303,971.06/455,965.85 = 104,288.65/x
  3. Step 3: Cross multiply
    303,971.06x = 455,965.85 × 104,288.65
  4. Step 4: Simplify right side
    303,971.06x = 47,552,062,063.41
  5. Step 5: Solve for x
    x = 47,552,062,063.41/303,971.06
  6. Step 6: Final answer
    x = 156,436.15

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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.