Finding the Fourth Proportional to 371,771.24, 513,179.70 and 228,723.08
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Solution
The fourth proportional to 371,771.24, 513,179.70 and 228,723.08 is: 315,721.15
Step by Step Solution
- Step 1: Write the proportion equation
371,771.24 : 513,179.70 = 228,723.08 : x - Step 2: Convert to fraction form
371,771.24/513,179.70 = 228,723.08/x - Step 3: Cross multiply
371,771.24x = 513,179.70 × 228,723.08 - Step 4: Simplify right side
371,771.24x = 117,376,041,577.48 - Step 5: Solve for x
x = 117,376,041,577.48/371,771.24 - Step 6: Final answer
x = 315,721.15
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.