Finding the Fourth Proportional to 223,126.96, 307,915.58 and 121,152.62
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Solution
The fourth proportional to 223,126.96, 307,915.58 and 121,152.62 is: 167,190.81
Step by Step Solution
- Step 1: Write the proportion equation
223,126.96 : 307,915.58 = 121,152.62 : x - Step 2: Convert to fraction form
223,126.96/307,915.58 = 121,152.62/x - Step 3: Cross multiply
223,126.96x = 307,915.58 × 121,152.62 - Step 4: Simplify right side
223,126.96x = 37,304,778,650.06 - Step 5: Solve for x
x = 37,304,778,650.06/223,126.96 - Step 6: Final answer
x = 167,190.81
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.