Home / 384,802.82-531,028.60-215,036.94

Finding the Fourth Proportional to 384,802.82, 531,028.60 and 215,036.94

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Solution

The fourth proportional to 384,802.82, 531,028.60 and 215,036.94 is: 296,751.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,802.82 : 531,028.60 = 215,036.94 : x
  2. Step 2: Convert to fraction form
    384,802.82/531,028.60 = 215,036.94/x
  3. Step 3: Cross multiply
    384,802.82x = 531,028.60 × 215,036.94
  4. Step 4: Simplify right side
    384,802.82x = 114,190,765,196.48
  5. Step 5: Solve for x
    x = 114,190,765,196.48/384,802.82
  6. Step 6: Final answer
    x = 296,751.37

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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.