Home / 291,163.95-436,598.24-133,257.15

Finding the Fourth Proportional to 291,163.95, 436,598.24 and 133,257.15

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Solution

The fourth proportional to 291,163.95, 436,598.24 and 133,257.15 is: 199,818.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,163.95 : 436,598.24 = 133,257.15 : x
  2. Step 2: Convert to fraction form
    291,163.95/436,598.24 = 133,257.15/x
  3. Step 3: Cross multiply
    291,163.95x = 436,598.24 × 133,257.15
  4. Step 4: Simplify right side
    291,163.95x = 58,179,836,491.13
  5. Step 5: Solve for x
    x = 58,179,836,491.13/291,163.95
  6. Step 6: Final answer
    x = 199,818.13

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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.