Home / 328,981.15-454,205.03-268,696.50

Finding the Fourth Proportional to 328,981.15, 454,205.03 and 268,696.50

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Solution

The fourth proportional to 328,981.15, 454,205.03 and 268,696.50 is: 370,973.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,981.15 : 454,205.03 = 268,696.50 : x
  2. Step 2: Convert to fraction form
    328,981.15/454,205.03 = 268,696.50/x
  3. Step 3: Cross multiply
    328,981.15x = 454,205.03 × 268,696.50
  4. Step 4: Simplify right side
    328,981.15x = 122,043,301,843.40
  5. Step 5: Solve for x
    x = 122,043,301,843.40/328,981.15
  6. Step 6: Final answer
    x = 370,973.54

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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.