Home / 291,252.36-436,936.88-91,623

Finding the Fourth Proportional to 291,252.36, 436,936.88 and 91,623

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Solution

The fourth proportional to 291,252.36, 436,936.88 and 91,623 is: 137,452.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,252.36 : 436,936.88 = 91,623 : x
  2. Step 2: Convert to fraction form
    291,252.36/436,936.88 = 91,623/x
  3. Step 3: Cross multiply
    291,252.36x = 436,936.88 × 91,623
  4. Step 4: Simplify right side
    291,252.36x = 40,033,467,756.24
  5. Step 5: Solve for x
    x = 40,033,467,756.24/291,252.36
  6. Step 6: Final answer
    x = 137,452.85

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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.