Home / 315,961.42-436,029.66-179,993.35

Finding the Fourth Proportional to 315,961.42, 436,029.66 and 179,993.35

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Solution

The fourth proportional to 315,961.42, 436,029.66 and 179,993.35 is: 248,392.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,961.42 : 436,029.66 = 179,993.35 : x
  2. Step 2: Convert to fraction form
    315,961.42/436,029.66 = 179,993.35/x
  3. Step 3: Cross multiply
    315,961.42x = 436,029.66 × 179,993.35
  4. Step 4: Simplify right side
    315,961.42x = 78,482,438,015.23
  5. Step 5: Solve for x
    x = 78,482,438,015.23/315,961.42
  6. Step 6: Final answer
    x = 248,392.47

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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.