Finding the Fourth Proportional to 543,218.60, 749,636.17 and 301,503.26
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Solution
The fourth proportional to 543,218.60, 749,636.17 and 301,503.26 is: 416,071.45
Step by Step Solution
- Step 1: Write the proportion equation
543,218.60 : 749,636.17 = 301,503.26 : x - Step 2: Convert to fraction form
543,218.60/749,636.17 = 301,503.26/x - Step 3: Cross multiply
543,218.60x = 749,636.17 × 301,503.26 - Step 4: Simplify right side
543,218.60x = 226,017,750,189.25 - Step 5: Solve for x
x = 226,017,750,189.25/543,218.60 - Step 6: Final answer
x = 416,071.45
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1.5x scale
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.