Finding the Fourth Proportional to 329,805.98, 455,132.40 and 186,562.97
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Solution
The fourth proportional to 329,805.98, 455,132.40 and 186,562.97 is: 257,456.98
Step by Step Solution
- Step 1: Write the proportion equation
329,805.98 : 455,132.40 = 186,562.97 : x - Step 2: Convert to fraction form
329,805.98/455,132.40 = 186,562.97/x - Step 3: Cross multiply
329,805.98x = 455,132.40 × 186,562.97 - Step 4: Simplify right side
329,805.98x = 84,910,852,287.23 - Step 5: Solve for x
x = 84,910,852,287.23/329,805.98 - Step 6: Final answer
x = 257,456.98
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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.