Home / 276,731.94-415,090.62-77,044.26

Finding the Fourth Proportional to 276,731.94, 415,090.62 and 77,044.26

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Solution

The fourth proportional to 276,731.94, 415,090.62 and 77,044.26 is: 115,564.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,731.94 : 415,090.62 = 77,044.26 : x
  2. Step 2: Convert to fraction form
    276,731.94/415,090.62 = 77,044.26/x
  3. Step 3: Cross multiply
    276,731.94x = 415,090.62 × 77,044.26
  4. Step 4: Simplify right side
    276,731.94x = 31,980,349,265.62
  5. Step 5: Solve for x
    x = 31,980,349,265.62/276,731.94
  6. Step 6: Final answer
    x = 115,564.36

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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.