Home / 254,585.48-381,896.67-77,106.33

Finding the Fourth Proportional to 254,585.48, 381,896.67 and 77,106.33

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Solution

The fourth proportional to 254,585.48, 381,896.67 and 77,106.33 is: 115,665.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,585.48 : 381,896.67 = 77,106.33 : x
  2. Step 2: Convert to fraction form
    254,585.48/381,896.67 = 77,106.33/x
  3. Step 3: Cross multiply
    254,585.48x = 381,896.67 × 77,106.33
  4. Step 4: Simplify right side
    254,585.48x = 29,446,650,952.07
  5. Step 5: Solve for x
    x = 29,446,650,952.07/254,585.48
  6. Step 6: Final answer
    x = 115,665.08

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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.