Finding the Fourth Proportional to 448,403.47, 671,136.26 and 245,690.44
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Solution
The fourth proportional to 448,403.47, 671,136.26 and 245,690.44 is: 367,730.79
Step by Step Solution
- Step 1: Write the proportion equation
448,403.47 : 671,136.26 = 245,690.44 : x - Step 2: Convert to fraction form
448,403.47/671,136.26 = 245,690.44/x - Step 3: Cross multiply
448,403.47x = 671,136.26 × 245,690.44 - Step 4: Simplify right side
448,403.47x = 164,891,760,113.06 - Step 5: Solve for x
x = 164,891,760,113.06/448,403.47 - Step 6: Final answer
x = 367,730.79
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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.