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Finding the Fourth Proportional to 450,848, 622,189.68 and 249,644

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Solution

The fourth proportional to 450,848, 622,189.68 and 249,644 is: 344,519.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,848 : 622,189.68 = 249,644 : x
  2. Step 2: Convert to fraction form
    450,848/622,189.68 = 249,644/x
  3. Step 3: Cross multiply
    450,848x = 622,189.68 × 249,644
  4. Step 4: Simplify right side
    450,848x = 155,325,920,473.92
  5. Step 5: Solve for x
    x = 155,325,920,473.92/450,848
  6. Step 6: Final answer
    x = 344,519.48

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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.