Home / 228,618.90-343,149.69-110,373.21

Finding the Fourth Proportional to 228,618.90, 343,149.69 and 110,373.21

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Solution

The fourth proportional to 228,618.90, 343,149.69 and 110,373.21 is: 165,666.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,618.90 : 343,149.69 = 110,373.21 : x
  2. Step 2: Convert to fraction form
    228,618.90/343,149.69 = 110,373.21/x
  3. Step 3: Cross multiply
    228,618.90x = 343,149.69 × 110,373.21
  4. Step 4: Simplify right side
    228,618.90x = 37,874,532,795.80
  5. Step 5: Solve for x
    x = 37,874,532,795.80/228,618.90
  6. Step 6: Final answer
    x = 165,666.67

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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.