Home / 317,828.05-438,479.10-179,975.33

Finding the Fourth Proportional to 317,828.05, 438,479.10 and 179,975.33

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Solution

The fourth proportional to 317,828.05, 438,479.10 and 179,975.33 is: 248,295.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,828.05 : 438,479.10 = 179,975.33 : x
  2. Step 2: Convert to fraction form
    317,828.05/438,479.10 = 179,975.33/x
  3. Step 3: Cross multiply
    317,828.05x = 438,479.10 × 179,975.33
  4. Step 4: Simplify right side
    317,828.05x = 78,915,420,720.60
  5. Step 5: Solve for x
    x = 78,915,420,720.60/317,828.05
  6. Step 6: Final answer
    x = 248,295.96

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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.