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Finding the Fourth Proportional to 450,852, 622,221.12 and 249,648

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Solution

The fourth proportional to 450,852, 622,221.12 and 249,648 is: 344,539.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,852 : 622,221.12 = 249,648 : x
  2. Step 2: Convert to fraction form
    450,852/622,221.12 = 249,648/x
  3. Step 3: Cross multiply
    450,852x = 622,221.12 × 249,648
  4. Step 4: Simplify right side
    450,852x = 155,336,258,165.76
  5. Step 5: Solve for x
    x = 155,336,258,165.76/450,852
  6. Step 6: Final answer
    x = 344,539.36

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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.