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Finding the Fourth Proportional to 303,326.82, 454,990.38 and 103,649.16

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Solution

The fourth proportional to 303,326.82, 454,990.38 and 103,649.16 is: 155,473.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,326.82 : 454,990.38 = 103,649.16 : x
  2. Step 2: Convert to fraction form
    303,326.82/454,990.38 = 103,649.16/x
  3. Step 3: Cross multiply
    303,326.82x = 454,990.38 × 103,649.16
  4. Step 4: Simplify right side
    303,326.82x = 47,159,370,695.08
  5. Step 5: Solve for x
    x = 47,159,370,695.08/303,326.82
  6. Step 6: Final answer
    x = 155,473.79

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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.