Finding the Fourth Proportional to 329,971.36, 455,356.56 and 194,092.96
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Solution
The fourth proportional to 329,971.36, 455,356.56 and 194,092.96 is: 267,845.98
Step by Step Solution
- Step 1: Write the proportion equation
329,971.36 : 455,356.56 = 194,092.96 : x - Step 2: Convert to fraction form
329,971.36/455,356.56 = 194,092.96/x - Step 3: Cross multiply
329,971.36x = 455,356.56 × 194,092.96 - Step 4: Simplify right side
329,971.36x = 88,381,502,585.82 - Step 5: Solve for x
x = 88,381,502,585.82/329,971.36 - Step 6: Final answer
x = 267,845.98
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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.