Finding the Fourth Proportional to 534,859.64, 738,111.96 and 293,136.88
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Solution
The fourth proportional to 534,859.64, 738,111.96 and 293,136.88 is: 404,531.99
Step by Step Solution
- Step 1: Write the proportion equation
534,859.64 : 738,111.96 = 293,136.88 : x - Step 2: Convert to fraction form
534,859.64/738,111.96 = 293,136.88/x - Step 3: Cross multiply
534,859.64x = 738,111.96 × 293,136.88 - Step 4: Simplify right side
534,859.64x = 216,367,837,045.09 - Step 5: Solve for x
x = 216,367,837,045.09/534,859.64 - Step 6: Final answer
x = 404,531.99
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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.