Home / 300,664.09-414,916.05-164,706.40

Finding the Fourth Proportional to 300,664.09, 414,916.05 and 164,706.40

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Solution

The fourth proportional to 300,664.09, 414,916.05 and 164,706.40 is: 227,294.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,664.09 : 414,916.05 = 164,706.40 : x
  2. Step 2: Convert to fraction form
    300,664.09/414,916.05 = 164,706.40/x
  3. Step 3: Cross multiply
    300,664.09x = 414,916.05 × 164,706.40
  4. Step 4: Simplify right side
    300,664.09x = 68,339,328,897.72
  5. Step 5: Solve for x
    x = 68,339,328,897.72/300,664.09
  6. Step 6: Final answer
    x = 227,294.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.