Home / 229,984.92-317,376.77-128,008.76

Finding the Fourth Proportional to 229,984.92, 317,376.77 and 128,008.76

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Solution

The fourth proportional to 229,984.92, 317,376.77 and 128,008.76 is: 176,650.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,984.92 : 317,376.77 = 128,008.76 : x
  2. Step 2: Convert to fraction form
    229,984.92/317,376.77 = 128,008.76/x
  3. Step 3: Cross multiply
    229,984.92x = 317,376.77 × 128,008.76
  4. Step 4: Simplify right side
    229,984.92x = 40,627,004,553.58
  5. Step 5: Solve for x
    x = 40,627,004,553.58/229,984.92
  6. Step 6: Final answer
    x = 176,650.73

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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.