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Finding the Fourth Proportional to 451,071, 622,477.98 and 249,867

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Solution

The fourth proportional to 451,071, 622,477.98 and 249,867 is: 344,816.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,071 : 622,477.98 = 249,867 : x
  2. Step 2: Convert to fraction form
    451,071/622,477.98 = 249,867/x
  3. Step 3: Cross multiply
    451,071x = 622,477.98 × 249,867
  4. Step 4: Simplify right side
    451,071x = 155,536,705,428.66
  5. Step 5: Solve for x
    x = 155,536,705,428.66/451,071
  6. Step 6: Final answer
    x = 344,816.46

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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.