Home / 245,344.36-368,016.08-76,877.59

Finding the Fourth Proportional to 245,344.36, 368,016.08 and 76,877.59

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Solution

The fourth proportional to 245,344.36, 368,016.08 and 76,877.59 is: 115,316.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,344.36 : 368,016.08 = 76,877.59 : x
  2. Step 2: Convert to fraction form
    245,344.36/368,016.08 = 76,877.59/x
  3. Step 3: Cross multiply
    245,344.36x = 368,016.08 × 76,877.59
  4. Step 4: Simplify right side
    245,344.36x = 28,292,188,007.22
  5. Step 5: Solve for x
    x = 28,292,188,007.22/245,344.36
  6. Step 6: Final answer
    x = 115,316.24

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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.