Home / 240,588.15-331,989.15-143,772.79

Finding the Fourth Proportional to 240,588.15, 331,989.15 and 143,772.79

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Solution

The fourth proportional to 240,588.15, 331,989.15 and 143,772.79 is: 198,393.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,588.15 : 331,989.15 = 143,772.79 : x
  2. Step 2: Convert to fraction form
    240,588.15/331,989.15 = 143,772.79/x
  3. Step 3: Cross multiply
    240,588.15x = 331,989.15 × 143,772.79
  4. Step 4: Simplify right side
    240,588.15x = 47,731,007,299.36
  5. Step 5: Solve for x
    x = 47,731,007,299.36/240,588.15
  6. Step 6: Final answer
    x = 198,393.01

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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.