Home / 255,326.36-383,046.96-77,851.31

Finding the Fourth Proportional to 255,326.36, 383,046.96 and 77,851.31

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Solution

The fourth proportional to 255,326.36, 383,046.96 and 77,851.31 is: 116,794.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,326.36 : 383,046.96 = 77,851.31 : x
  2. Step 2: Convert to fraction form
    255,326.36/383,046.96 = 77,851.31/x
  3. Step 3: Cross multiply
    255,326.36x = 383,046.96 × 77,851.31
  4. Step 4: Simplify right side
    255,326.36x = 29,820,706,004.23
  5. Step 5: Solve for x
    x = 29,820,706,004.23/255,326.36
  6. Step 6: Final answer
    x = 116,794.47

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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.