Finding the Fourth Proportional to 212,962.65, 318,897.63 and 206,655.99
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Solution
The fourth proportional to 212,962.65, 318,897.63 and 206,655.99 is: 309,453.82
Step by Step Solution
- Step 1: Write the proportion equation
212,962.65 : 318,897.63 = 206,655.99 : x - Step 2: Convert to fraction form
212,962.65/318,897.63 = 206,655.99/x - Step 3: Cross multiply
212,962.65x = 318,897.63 × 206,655.99 - Step 4: Simplify right side
212,962.65x = 65,902,105,436.30 - Step 5: Solve for x
x = 65,902,105,436.30/212,962.65 - Step 6: Final answer
x = 309,453.82
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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.