Home / 380,721.67-571,083.82-96,412.12

Finding the Fourth Proportional to 380,721.67, 571,083.82 and 96,412.12

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Solution

The fourth proportional to 380,721.67, 571,083.82 and 96,412.12 is: 144,618.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,721.67 : 571,083.82 = 96,412.12 : x
  2. Step 2: Convert to fraction form
    380,721.67/571,083.82 = 96,412.12/x
  3. Step 3: Cross multiply
    380,721.67x = 571,083.82 × 96,412.12
  4. Step 4: Simplify right side
    380,721.67x = 55,059,403,327.51
  5. Step 5: Solve for x
    x = 55,059,403,327.51/380,721.67
  6. Step 6: Final answer
    x = 144,618.52

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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.