Finding the Fourth Proportional to 543,695.84, 815,543.76 and 169,750.88
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Solution
The fourth proportional to 543,695.84, 815,543.76 and 169,750.88 is: 254,626.32
Step by Step Solution
- Step 1: Write the proportion equation
543,695.84 : 815,543.76 = 169,750.88 : x - Step 2: Convert to fraction form
543,695.84/815,543.76 = 169,750.88/x - Step 3: Cross multiply
543,695.84x = 815,543.76 × 169,750.88 - Step 4: Simplify right side
543,695.84x = 138,439,270,938.51 - Step 5: Solve for x
x = 138,439,270,938.51/543,695.84 - Step 6: Final answer
x = 254,626.32
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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.