Home / 513,239.76-769,810.14-158,158.44

Finding the Fourth Proportional to 513,239.76, 769,810.14 and 158,158.44

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Solution

The fourth proportional to 513,239.76, 769,810.14 and 158,158.44 is: 237,222.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,239.76 : 769,810.14 = 158,158.44 : x
  2. Step 2: Convert to fraction form
    513,239.76/769,810.14 = 158,158.44/x
  3. Step 3: Cross multiply
    513,239.76x = 769,810.14 × 158,158.44
  4. Step 4: Simplify right side
    513,239.76x = 121,751,970,838.58
  5. Step 5: Solve for x
    x = 121,751,970,838.58/513,239.76
  6. Step 6: Final answer
    x = 237,222.41

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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.