Finding the Fourth Proportional to 310,702.35, 428,765.17 and 174,736.26
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Solution
The fourth proportional to 310,702.35, 428,765.17 and 174,736.26 is: 241,133.75
Step by Step Solution
- Step 1: Write the proportion equation
310,702.35 : 428,765.17 = 174,736.26 : x - Step 2: Convert to fraction form
310,702.35/428,765.17 = 174,736.26/x - Step 3: Cross multiply
310,702.35x = 428,765.17 × 174,736.26 - Step 4: Simplify right side
310,702.35x = 74,920,822,224.06 - Step 5: Solve for x
x = 74,920,822,224.06/310,702.35 - Step 6: Final answer
x = 241,133.75
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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.