Finding the Fourth Proportional to 247,963.70, 371,945.55 and 164,857.70
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Solution
The fourth proportional to 247,963.70, 371,945.55 and 164,857.70 is: 247,286.55
Step by Step Solution
- Step 1: Write the proportion equation
247,963.70 : 371,945.55 = 164,857.70 : x - Step 2: Convert to fraction form
247,963.70/371,945.55 = 164,857.70/x - Step 3: Cross multiply
247,963.70x = 371,945.55 × 164,857.70 - Step 4: Simplify right side
247,963.70x = 61,318,087,898.24 - Step 5: Solve for x
x = 61,318,087,898.24/247,963.70 - Step 6: Final answer
x = 247,286.55
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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.