Home / 307,664.41-461,545.41-130,172.75

Finding the Fourth Proportional to 307,664.41, 461,545.41 and 130,172.75

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Solution

The fourth proportional to 307,664.41, 461,545.41 and 130,172.75 is: 195,279.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,664.41 : 461,545.41 = 130,172.75 : x
  2. Step 2: Convert to fraction form
    307,664.41/461,545.41 = 130,172.75/x
  3. Step 3: Cross multiply
    307,664.41x = 461,545.41 × 130,172.75
  4. Step 4: Simplify right side
    307,664.41x = 60,080,635,269.58
  5. Step 5: Solve for x
    x = 60,080,635,269.58/307,664.41
  6. Step 6: Final answer
    x = 195,279.77

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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.