Home / 317,827.05-438,477.72-179,974.33

Finding the Fourth Proportional to 317,827.05, 438,477.72 and 179,974.33

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Solution

The fourth proportional to 317,827.05, 438,477.72 and 179,974.33 is: 248,294.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,827.05 : 438,477.72 = 179,974.33 : x
  2. Step 2: Convert to fraction form
    317,827.05/438,477.72 = 179,974.33/x
  3. Step 3: Cross multiply
    317,827.05x = 438,477.72 × 179,974.33
  4. Step 4: Simplify right side
    317,827.05x = 78,914,732,105.83
  5. Step 5: Solve for x
    x = 78,914,732,105.83/317,827.05
  6. Step 6: Final answer
    x = 248,294.58

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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.