Home / 254,883.88-382,301.07-77,392.41

Finding the Fourth Proportional to 254,883.88, 382,301.07 and 77,392.41

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Solution

The fourth proportional to 254,883.88, 382,301.07 and 77,392.41 is: 116,081.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,883.88 : 382,301.07 = 77,392.41 : x
  2. Step 2: Convert to fraction form
    254,883.88/382,301.07 = 77,392.41/x
  3. Step 3: Cross multiply
    254,883.88x = 382,301.07 × 77,392.41
  4. Step 4: Simplify right side
    254,883.88x = 29,587,201,152.88
  5. Step 5: Solve for x
    x = 29,587,201,152.88/254,883.88
  6. Step 6: Final answer
    x = 116,081.10

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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.