Home / 283,081.95-390,325.77-225,676.35

Finding the Fourth Proportional to 283,081.95, 390,325.77 and 225,676.35

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Solution

The fourth proportional to 283,081.95, 390,325.77 and 225,676.35 is: 311,172.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,081.95 : 390,325.77 = 225,676.35 : x
  2. Step 2: Convert to fraction form
    283,081.95/390,325.77 = 225,676.35/x
  3. Step 3: Cross multiply
    283,081.95x = 390,325.77 × 225,676.35
  4. Step 4: Simplify right side
    283,081.95x = 88,087,295,084.54
  5. Step 5: Solve for x
    x = 88,087,295,084.54/283,081.95
  6. Step 6: Final answer
    x = 311,172.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.