Home / 317,391.32-437,992.26-177,688.20

Finding the Fourth Proportional to 317,391.32, 437,992.26 and 177,688.20

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Solution

The fourth proportional to 317,391.32, 437,992.26 and 177,688.20 is: 245,205.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,391.32 : 437,992.26 = 177,688.20 : x
  2. Step 2: Convert to fraction form
    317,391.32/437,992.26 = 177,688.20/x
  3. Step 3: Cross multiply
    317,391.32x = 437,992.26 × 177,688.20
  4. Step 4: Simplify right side
    317,391.32x = 77,826,056,293.33
  5. Step 5: Solve for x
    x = 77,826,056,293.33/317,391.32
  6. Step 6: Final answer
    x = 245,205.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.