Home / 277,317.83-415,971.73-77,635.18

Finding the Fourth Proportional to 277,317.83, 415,971.73 and 77,635.18

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Solution

The fourth proportional to 277,317.83, 415,971.73 and 77,635.18 is: 116,451.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,317.83 : 415,971.73 = 77,635.18 : x
  2. Step 2: Convert to fraction form
    277,317.83/415,971.73 = 77,635.18/x
  3. Step 3: Cross multiply
    277,317.83x = 415,971.73 × 77,635.18
  4. Step 4: Simplify right side
    277,317.83x = 32,294,040,133.46
  5. Step 5: Solve for x
    x = 32,294,040,133.46/277,317.83
  6. Step 6: Final answer
    x = 116,451.37

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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.