Home / 341,869.82-512,805.09-89,150.09

Finding the Fourth Proportional to 341,869.82, 512,805.09 and 89,150.09

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Solution

The fourth proportional to 341,869.82, 512,805.09 and 89,150.09 is: 133,725.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,869.82 : 512,805.09 = 89,150.09 : x
  2. Step 2: Convert to fraction form
    341,869.82/512,805.09 = 89,150.09/x
  3. Step 3: Cross multiply
    341,869.82x = 512,805.09 × 89,150.09
  4. Step 4: Simplify right side
    341,869.82x = 45,716,617,361.93
  5. Step 5: Solve for x
    x = 45,716,617,361.93/341,869.82
  6. Step 6: Final answer
    x = 133,725.22

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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.