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Finding the Fourth Proportional to 307,044, 423,720.72 and 179,713.44

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Solution

The fourth proportional to 307,044, 423,720.72 and 179,713.44 is: 248,004.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,044 : 423,720.72 = 179,713.44 : x
  2. Step 2: Convert to fraction form
    307,044/423,720.72 = 179,713.44/x
  3. Step 3: Cross multiply
    307,044x = 423,720.72 × 179,713.44
  4. Step 4: Simplify right side
    307,044x = 76,148,308,190.48
  5. Step 5: Solve for x
    x = 76,148,308,190.48/307,044
  6. Step 6: Final answer
    x = 248,004.55

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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.