Finding the Fourth Proportional to 212,770.63, 319,202.65 and 63,022.65
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Solution
The fourth proportional to 212,770.63, 319,202.65 and 63,022.65 is: 94,547.80
Step by Step Solution
- Step 1: Write the proportion equation
212,770.63 : 319,202.65 = 63,022.65 : x - Step 2: Convert to fraction form
212,770.63/319,202.65 = 63,022.65/x - Step 3: Cross multiply
212,770.63x = 319,202.65 × 63,022.65 - Step 4: Simplify right side
212,770.63x = 20,116,995,771.79 - Step 5: Solve for x
x = 20,116,995,771.79/212,770.63 - Step 6: Final answer
x = 94,547.80
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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.