Finding the Fourth Proportional to 543,272.13, 749,680.11 and 301,543.02
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Solution
The fourth proportional to 543,272.13, 749,680.11 and 301,543.02 is: 416,109.70
Step by Step Solution
- Step 1: Write the proportion equation
543,272.13 : 749,680.11 = 301,543.02 : x - Step 2: Convert to fraction form
543,272.13/749,680.11 = 301,543.02/x - Step 3: Cross multiply
543,272.13x = 749,680.11 × 301,543.02 - Step 4: Simplify right side
543,272.13x = 226,060,804,403.33 - Step 5: Solve for x
x = 226,060,804,403.33/543,272.13 - Step 6: Final answer
x = 416,109.70
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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.