Finding the Fourth Proportional to 153,734.71, 212,252.68 and 96,452.62
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Solution
The fourth proportional to 153,734.71, 212,252.68 and 96,452.62 is: 133,166.59
Step by Step Solution
- Step 1: Write the proportion equation
153,734.71 : 212,252.68 = 96,452.62 : x - Step 2: Convert to fraction form
153,734.71/212,252.68 = 96,452.62/x - Step 3: Cross multiply
153,734.71x = 212,252.68 × 96,452.62 - Step 4: Simplify right side
153,734.71x = 20,472,327,600.60 - Step 5: Solve for x
x = 20,472,327,600.60/153,734.71 - Step 6: Final answer
x = 133,166.59
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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.