Finding the Fourth Proportional to 247,286.70, 346,988.70 and 247,286.70
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Solution
The fourth proportional to 247,286.70, 346,988.70 and 247,286.70 is: 346,988.70
Step by Step Solution
- Step 1: Write the proportion equation
247,286.70 : 346,988.70 = 247,286.70 : x - Step 2: Convert to fraction form
247,286.70/346,988.70 = 247,286.70/x - Step 3: Cross multiply
247,286.70x = 346,988.70 × 247,286.70 - Step 4: Simplify right side
247,286.70x = 85,805,690,560.29 - Step 5: Solve for x
x = 85,805,690,560.29/247,286.70 - Step 6: Final answer
x = 346,988.70
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.