Finding the Fourth Proportional to 810,335.84, 1,215,504.68 and 211,296.48
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Solution
The fourth proportional to 810,335.84, 1,215,504.68 and 211,296.48 is: 316,944.96
Step by Step Solution
- Step 1: Write the proportion equation
810,335.84 : 1,215,504.68 = 211,296.48 : x - Step 2: Convert to fraction form
810,335.84/1,215,504.68 = 211,296.48/x - Step 3: Cross multiply
810,335.84x = 1,215,504.68 × 211,296.48 - Step 4: Simplify right side
810,335.84x = 256,831,860,307.53 - Step 5: Solve for x
x = 256,831,860,307.53/810,335.84 - Step 6: Final answer
x = 316,944.96
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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.