Home / 291,199.51-436,799.13-80,837.38

Finding the Fourth Proportional to 291,199.51, 436,799.13 and 80,837.38

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Solution

The fourth proportional to 291,199.51, 436,799.13 and 80,837.38 is: 121,256.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,199.51 : 436,799.13 = 80,837.38 : x
  2. Step 2: Convert to fraction form
    291,199.51/436,799.13 = 80,837.38/x
  3. Step 3: Cross multiply
    291,199.51x = 436,799.13 × 80,837.38
  4. Step 4: Simplify right side
    291,199.51x = 35,309,697,255.48
  5. Step 5: Solve for x
    x = 35,309,697,255.48/291,199.51
  6. Step 6: Final answer
    x = 121,256.03

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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.