Home / 380,812.06-571,217.04-96,501.79

Finding the Fourth Proportional to 380,812.06, 571,217.04 and 96,501.79

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Solution

The fourth proportional to 380,812.06, 571,217.04 and 96,501.79 is: 144,752.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,812.06 : 571,217.04 = 96,501.79 : x
  2. Step 2: Convert to fraction form
    380,812.06/571,217.04 = 96,501.79/x
  3. Step 3: Cross multiply
    380,812.06x = 571,217.04 × 96,501.79
  4. Step 4: Simplify right side
    380,812.06x = 55,123,467,552.52
  5. Step 5: Solve for x
    x = 55,123,467,552.52/380,812.06
  6. Step 6: Final answer
    x = 144,752.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.