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Finding the Fourth Proportional to 450,895, 622,235.28 and 249,691

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Solution

The fourth proportional to 450,895, 622,235.28 and 249,691 is: 344,573.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,895 : 622,235.28 = 249,691 : x
  2. Step 2: Convert to fraction form
    450,895/622,235.28 = 249,691/x
  3. Step 3: Cross multiply
    450,895x = 622,235.28 × 249,691
  4. Step 4: Simplify right side
    450,895x = 155,366,549,298.48
  5. Step 5: Solve for x
    x = 155,366,549,298.48/450,895
  6. Step 6: Final answer
    x = 344,573.68

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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.