Finding the Fourth Proportional to 646,302.99, 969,897.42 and 225,578.88
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Solution
The fourth proportional to 646,302.99, 969,897.42 and 225,578.88 is: 338,522.92
Step by Step Solution
- Step 1: Write the proportion equation
646,302.99 : 969,897.42 = 225,578.88 : x - Step 2: Convert to fraction form
646,302.99/969,897.42 = 225,578.88/x - Step 3: Cross multiply
646,302.99x = 969,897.42 × 225,578.88 - Step 4: Simplify right side
646,302.99x = 218,788,373,718.49 - Step 5: Solve for x
x = 218,788,373,718.49/646,302.99 - Step 6: Final answer
x = 338,522.92
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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.