Finding the Fourth Proportional to 548,702.88, 757,239.38 and 306,971.03
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Solution
The fourth proportional to 548,702.88, 757,239.38 and 306,971.03 is: 423,636.48
Step by Step Solution
- Step 1: Write the proportion equation
548,702.88 : 757,239.38 = 306,971.03 : x - Step 2: Convert to fraction form
548,702.88/757,239.38 = 306,971.03/x - Step 3: Cross multiply
548,702.88x = 757,239.38 × 306,971.03 - Step 4: Simplify right side
548,702.88x = 232,450,555,671.26 - Step 5: Solve for x
x = 232,450,555,671.26/548,702.88 - Step 6: Final answer
x = 423,636.48
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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.