Finding the Fourth Proportional to 342,073.80, 513,110.70 and 92,755.80
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Solution
The fourth proportional to 342,073.80, 513,110.70 and 92,755.80 is: 139,133.70
Step by Step Solution
- Step 1: Write the proportion equation
342,073.80 : 513,110.70 = 92,755.80 : x - Step 2: Convert to fraction form
342,073.80/513,110.70 = 92,755.80/x - Step 3: Cross multiply
342,073.80x = 513,110.70 × 92,755.80 - Step 4: Simplify right side
342,073.80x = 47,593,993,467.06 - Step 5: Solve for x
x = 47,593,993,467.06/342,073.80 - Step 6: Final answer
x = 139,133.70
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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.