Home / 308,389.48-461,463.19-254,581.07

Finding the Fourth Proportional to 308,389.48, 461,463.19 and 254,581.07

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Solution

The fourth proportional to 308,389.48, 461,463.19 and 254,581.07 is: 380,946.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,389.48 : 461,463.19 = 254,581.07 : x
  2. Step 2: Convert to fraction form
    308,389.48/461,463.19 = 254,581.07/x
  3. Step 3: Cross multiply
    308,389.48x = 461,463.19 × 254,581.07
  4. Step 4: Simplify right side
    308,389.48x = 117,479,789,732.05
  5. Step 5: Solve for x
    x = 117,479,789,732.05/308,389.48
  6. Step 6: Final answer
    x = 380,946.17

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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.