Home / 228,775.20-343,208.52-79,020.96

Finding the Fourth Proportional to 228,775.20, 343,208.52 and 79,020.96

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Solution

The fourth proportional to 228,775.20, 343,208.52 and 79,020.96 is: 118,547.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,775.20 : 343,208.52 = 79,020.96 : x
  2. Step 2: Convert to fraction form
    228,775.20/343,208.52 = 79,020.96/x
  3. Step 3: Cross multiply
    228,775.20x = 343,208.52 × 79,020.96
  4. Step 4: Simplify right side
    228,775.20x = 27,120,666,730.58
  5. Step 5: Solve for x
    x = 27,120,666,730.58/228,775.20
  6. Step 6: Final answer
    x = 118,547.23

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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.