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Finding the Fourth Proportional to 367,326.36, 550,775.46 and 142,424.06

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Solution

The fourth proportional to 367,326.36, 550,775.46 and 142,424.06 is: 213,553.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,326.36 : 550,775.46 = 142,424.06 : x
  2. Step 2: Convert to fraction form
    367,326.36/550,775.46 = 142,424.06/x
  3. Step 3: Cross multiply
    367,326.36x = 550,775.46 × 142,424.06
  4. Step 4: Simplify right side
    367,326.36x = 78,443,674,407.69
  5. Step 5: Solve for x
    x = 78,443,674,407.69/367,326.36
  6. Step 6: Final answer
    x = 213,553.08

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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.