Home / 407,974.32-611,964.72-141,737.04

Finding the Fourth Proportional to 407,974.32, 611,964.72 and 141,737.04

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Solution

The fourth proportional to 407,974.32, 611,964.72 and 141,737.04 is: 212,606.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,974.32 : 611,964.72 = 141,737.04 : x
  2. Step 2: Convert to fraction form
    407,974.32/611,964.72 = 141,737.04/x
  3. Step 3: Cross multiply
    407,974.32x = 611,964.72 × 141,737.04
  4. Step 4: Simplify right side
    407,974.32x = 86,738,067,997.23
  5. Step 5: Solve for x
    x = 86,738,067,997.23/407,974.32
  6. Step 6: Final answer
    x = 212,606.69

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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.