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Finding the Fourth Proportional to 454,074.30, 681,111.45 and 154,455.30

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Solution

The fourth proportional to 454,074.30, 681,111.45 and 154,455.30 is: 231,682.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,074.30 : 681,111.45 = 154,455.30 : x
  2. Step 2: Convert to fraction form
    454,074.30/681,111.45 = 154,455.30/x
  3. Step 3: Cross multiply
    454,074.30x = 681,111.45 × 154,455.30
  4. Step 4: Simplify right side
    454,074.30x = 105,201,273,343.19
  5. Step 5: Solve for x
    x = 105,201,273,343.19/454,074.30
  6. Step 6: Final answer
    x = 231,682.95

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Similar ratio
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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.