Finding the Fourth Proportional to 247,520.25, 371,220.91 and 114,272.49
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Solution
The fourth proportional to 247,520.25, 371,220.91 and 114,272.49 is: 171,381.28
Step by Step Solution
- Step 1: Write the proportion equation
247,520.25 : 371,220.91 = 114,272.49 : x - Step 2: Convert to fraction form
247,520.25/371,220.91 = 114,272.49/x - Step 3: Cross multiply
247,520.25x = 371,220.91 × 114,272.49 - Step 4: Simplify right side
247,520.25x = 42,420,337,440.08 - Step 5: Solve for x
x = 42,420,337,440.08/247,520.25 - Step 6: Final answer
x = 171,381.28
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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.