Home / 513,264.36-769,883.57-139,277.64

Finding the Fourth Proportional to 513,264.36, 769,883.57 and 139,277.64

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Solution

The fourth proportional to 513,264.36, 769,883.57 and 139,277.64 is: 208,912.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,264.36 : 769,883.57 = 139,277.64 : x
  2. Step 2: Convert to fraction form
    513,264.36/769,883.57 = 139,277.64/x
  3. Step 3: Cross multiply
    513,264.36x = 769,883.57 × 139,277.64
  4. Step 4: Simplify right side
    513,264.36x = 107,227,563,203.15
  5. Step 5: Solve for x
    x = 107,227,563,203.15/513,264.36
  6. Step 6: Final answer
    x = 208,912.94

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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.