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Finding the Fourth Proportional to 450,893, 622,232.52 and 249,689

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Solution

The fourth proportional to 450,893, 622,232.52 and 249,689 is: 344,570.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,893 : 622,232.52 = 249,689 : x
  2. Step 2: Convert to fraction form
    450,893/622,232.52 = 249,689/x
  3. Step 3: Cross multiply
    450,893x = 622,232.52 × 249,689
  4. Step 4: Simplify right side
    450,893x = 155,364,615,686.28
  5. Step 5: Solve for x
    x = 155,364,615,686.28/450,893
  6. Step 6: Final answer
    x = 344,570.92

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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.