Home / 291,507.11-436,273-179,258.39

Finding the Fourth Proportional to 291,507.11, 436,273 and 179,258.39

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Solution

The fourth proportional to 291,507.11, 436,273 and 179,258.39 is: 268,280.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,507.11 : 436,273 = 179,258.39 : x
  2. Step 2: Convert to fraction form
    291,507.11/436,273 = 179,258.39/x
  3. Step 3: Cross multiply
    291,507.11x = 436,273 × 179,258.39
  4. Step 4: Simplify right side
    291,507.11x = 78,205,595,580.47
  5. Step 5: Solve for x
    x = 78,205,595,580.47/291,507.11
  6. Step 6: Final answer
    x = 268,280.23

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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.