Home / 317,819.63-438,484.02-179,979.71

Finding the Fourth Proportional to 317,819.63, 438,484.02 and 179,979.71

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Solution

The fourth proportional to 317,819.63, 438,484.02 and 179,979.71 is: 248,311.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,819.63 : 438,484.02 = 179,979.71 : x
  2. Step 2: Convert to fraction form
    317,819.63/438,484.02 = 179,979.71/x
  3. Step 3: Cross multiply
    317,819.63x = 438,484.02 × 179,979.71
  4. Step 4: Simplify right side
    317,819.63x = 78,918,226,759.23
  5. Step 5: Solve for x
    x = 78,918,226,759.23/317,819.63
  6. Step 6: Final answer
    x = 248,311.37

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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.