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Finding the Fourth Proportional to 292,296.72, 403,436.88 and 171,476.82

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Solution

The fourth proportional to 292,296.72, 403,436.88 and 171,476.82 is: 236,677.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,296.72 : 403,436.88 = 171,476.82 : x
  2. Step 2: Convert to fraction form
    292,296.72/403,436.88 = 171,476.82/x
  3. Step 3: Cross multiply
    292,296.72x = 403,436.88 × 171,476.82
  4. Step 4: Simplify right side
    292,296.72x = 69,180,073,253.12
  5. Step 5: Solve for x
    x = 69,180,073,253.12/292,296.72
  6. Step 6: Final answer
    x = 236,677.56

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1.5x scale

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.