Home / 291,850.64-436,441.89-212,156.36

Finding the Fourth Proportional to 291,850.64, 436,441.89 and 212,156.36

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Solution

The fourth proportional to 291,850.64, 436,441.89 and 212,156.36 is: 317,264.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,850.64 : 436,441.89 = 212,156.36 : x
  2. Step 2: Convert to fraction form
    291,850.64/436,441.89 = 212,156.36/x
  3. Step 3: Cross multiply
    291,850.64x = 436,441.89 × 212,156.36
  4. Step 4: Simplify right side
    291,850.64x = 92,593,922,733.92
  5. Step 5: Solve for x
    x = 92,593,922,733.92/291,850.64
  6. Step 6: Final answer
    x = 317,264.76

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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.