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Finding the Fourth Proportional to 292,304.40, 403,063.95 and 253,733.41

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Solution

The fourth proportional to 292,304.40, 403,063.95 and 253,733.41 is: 349,877.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,304.40 : 403,063.95 = 253,733.41 : x
  2. Step 2: Convert to fraction form
    292,304.40/403,063.95 = 253,733.41/x
  3. Step 3: Cross multiply
    292,304.40x = 403,063.95 × 253,733.41
  4. Step 4: Simplify right side
    292,304.40x = 102,270,790,481.57
  5. Step 5: Solve for x
    x = 102,270,790,481.57/292,304.40
  6. Step 6: Final answer
    x = 349,877.70

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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.