Home / 307,664.66-461,545.79-130,173

Finding the Fourth Proportional to 307,664.66, 461,545.79 and 130,173

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Solution

The fourth proportional to 307,664.66, 461,545.79 and 130,173 is: 195,280.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,664.66 : 461,545.79 = 130,173 : x
  2. Step 2: Convert to fraction form
    307,664.66/461,545.79 = 130,173/x
  3. Step 3: Cross multiply
    307,664.66x = 461,545.79 × 130,173
  4. Step 4: Simplify right side
    307,664.66x = 60,080,799,470.81
  5. Step 5: Solve for x
    x = 60,080,799,470.81/307,664.66
  6. Step 6: Final answer
    x = 195,280.15

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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.