Home / 254,586.48-381,898.17-77,107.33

Finding the Fourth Proportional to 254,586.48, 381,898.17 and 77,107.33

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Solution

The fourth proportional to 254,586.48, 381,898.17 and 77,107.33 is: 115,666.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,586.48 : 381,898.17 = 77,107.33 : x
  2. Step 2: Convert to fraction form
    254,586.48/381,898.17 = 77,107.33/x
  3. Step 3: Cross multiply
    254,586.48x = 381,898.17 × 77,107.33
  4. Step 4: Simplify right side
    254,586.48x = 29,447,148,220.59
  5. Step 5: Solve for x
    x = 29,447,148,220.59/254,586.48
  6. Step 6: Final answer
    x = 115,666.58

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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.