Home / 513,196.34-769,865.79-158,238.26

Finding the Fourth Proportional to 513,196.34, 769,865.79 and 158,238.26

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Solution

The fourth proportional to 513,196.34, 769,865.79 and 158,238.26 is: 237,379.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,196.34 : 769,865.79 = 158,238.26 : x
  2. Step 2: Convert to fraction form
    513,196.34/769,865.79 = 158,238.26/x
  3. Step 3: Cross multiply
    513,196.34x = 769,865.79 × 158,238.26
  4. Step 4: Simplify right side
    513,196.34x = 121,822,223,043.13
  5. Step 5: Solve for x
    x = 121,822,223,043.13/513,196.34
  6. Step 6: Final answer
    x = 237,379.37

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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.