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Finding the Fourth Proportional to 294,072.17, 440,397.72 and 167,328.41

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Solution

The fourth proportional to 294,072.17, 440,397.72 and 167,328.41 is: 250,588.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,072.17 : 440,397.72 = 167,328.41 : x
  2. Step 2: Convert to fraction form
    294,072.17/440,397.72 = 167,328.41/x
  3. Step 3: Cross multiply
    294,072.17x = 440,397.72 × 167,328.41
  4. Step 4: Simplify right side
    294,072.17x = 73,691,048,053.24
  5. Step 5: Solve for x
    x = 73,691,048,053.24/294,072.17
  6. Step 6: Final answer
    x = 250,588.31

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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.