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Finding the Fourth Proportional to 450,902, 622,264.32 and 249,698

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Solution

The fourth proportional to 450,902, 622,264.32 and 249,698 is: 344,594.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,902 : 622,264.32 = 249,698 : x
  2. Step 2: Convert to fraction form
    450,902/622,264.32 = 249,698/x
  3. Step 3: Cross multiply
    450,902x = 622,264.32 × 249,698
  4. Step 4: Simplify right side
    450,902x = 155,378,156,175.36
  5. Step 5: Solve for x
    x = 155,378,156,175.36/450,902
  6. Step 6: Final answer
    x = 344,594.07

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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.