Finding the Fourth Proportional to 319,696.86, 479,368.70 and 201,114.48
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Solution
The fourth proportional to 319,696.86, 479,368.70 and 201,114.48 is: 301,560.63
Step by Step Solution
- Step 1: Write the proportion equation
319,696.86 : 479,368.70 = 201,114.48 : x - Step 2: Convert to fraction form
319,696.86/479,368.70 = 201,114.48/x - Step 3: Cross multiply
319,696.86x = 479,368.70 × 201,114.48 - Step 4: Simplify right side
319,696.86x = 96,407,986,828.78 - Step 5: Solve for x
x = 96,407,986,828.78/319,696.86 - Step 6: Final answer
x = 301,560.63
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.