Home / 513,350.30-770,078.25-193,771.35

Finding the Fourth Proportional to 513,350.30, 770,078.25 and 193,771.35

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Solution

The fourth proportional to 513,350.30, 770,078.25 and 193,771.35 is: 290,676.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,350.30 : 770,078.25 = 193,771.35 : x
  2. Step 2: Convert to fraction form
    513,350.30/770,078.25 = 193,771.35/x
  3. Step 3: Cross multiply
    513,350.30x = 770,078.25 × 193,771.35
  4. Step 4: Simplify right side
    513,350.30x = 149,219,102,108.14
  5. Step 5: Solve for x
    x = 149,219,102,108.14/513,350.30
  6. Step 6: Final answer
    x = 290,676.96

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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.