Finding the Fourth Proportional to 329,299.73, 454,432.97 and 178,397.09
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Solution
The fourth proportional to 329,299.73, 454,432.97 and 178,397.09 is: 246,187.63
Step by Step Solution
- Step 1: Write the proportion equation
329,299.73 : 454,432.97 = 178,397.09 : x - Step 2: Convert to fraction form
329,299.73/454,432.97 = 178,397.09/x - Step 3: Cross multiply
329,299.73x = 454,432.97 × 178,397.09 - Step 4: Simplify right side
329,299.73x = 81,069,518,556.07 - Step 5: Solve for x
x = 81,069,518,556.07/329,299.73 - Step 6: Final answer
x = 246,187.63
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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.