Finding the Fourth Proportional to 217,046.88, 326,069.36 and 153,152.12
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Solution
The fourth proportional to 217,046.88, 326,069.36 and 153,152.12 is: 230,080.31
Step by Step Solution
- Step 1: Write the proportion equation
217,046.88 : 326,069.36 = 153,152.12 : x - Step 2: Convert to fraction form
217,046.88/326,069.36 = 153,152.12/x - Step 3: Cross multiply
217,046.88x = 326,069.36 × 153,152.12 - Step 4: Simplify right side
217,046.88x = 49,938,213,751.04 - Step 5: Solve for x
x = 49,938,213,751.04/217,046.88 - Step 6: Final answer
x = 230,080.31
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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.