Home / 661,232.94-991,942.80-211,848.69

Finding the Fourth Proportional to 661,232.94, 991,942.80 and 211,848.69

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Solution

The fourth proportional to 661,232.94, 991,942.80 and 211,848.69 is: 317,802.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,232.94 : 991,942.80 = 211,848.69 : x
  2. Step 2: Convert to fraction form
    661,232.94/991,942.80 = 211,848.69/x
  3. Step 3: Cross multiply
    661,232.94x = 991,942.80 × 211,848.69
  4. Step 4: Simplify right side
    661,232.94x = 210,141,782,734.93
  5. Step 5: Solve for x
    x = 210,141,782,734.93/661,232.94
  6. Step 6: Final answer
    x = 317,802.96

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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.