Finding the Fourth Proportional to 212,106.48, 318,214.40 and 62,351.66
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Solution
The fourth proportional to 212,106.48, 318,214.40 and 62,351.66 is: 93,543.55
Step by Step Solution
- Step 1: Write the proportion equation
212,106.48 : 318,214.40 = 62,351.66 : x - Step 2: Convert to fraction form
212,106.48/318,214.40 = 62,351.66/x - Step 3: Cross multiply
212,106.48x = 318,214.40 × 62,351.66 - Step 4: Simplify right side
212,106.48x = 19,841,194,173.07 - Step 5: Solve for x
x = 19,841,194,173.07/212,106.48 - Step 6: Final answer
x = 93,543.55
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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.