Home / 513,090.72-769,749.66-176,123.82

Finding the Fourth Proportional to 513,090.72, 769,749.66 and 176,123.82

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Solution

The fourth proportional to 513,090.72, 769,749.66 and 176,123.82 is: 264,224.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,090.72 : 769,749.66 = 176,123.82 : x
  2. Step 2: Convert to fraction form
    513,090.72/769,749.66 = 176,123.82/x
  3. Step 3: Cross multiply
    513,090.72x = 769,749.66 × 176,123.82
  4. Step 4: Simplify right side
    513,090.72x = 135,571,250,562.90
  5. Step 5: Solve for x
    x = 135,571,250,562.90/513,090.72
  6. Step 6: Final answer
    x = 264,224.72

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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.