Finding the Fourth Proportional to 371,770.24, 513,178.32 and 228,722.08
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Solution
The fourth proportional to 371,770.24, 513,178.32 and 228,722.08 is: 315,719.76
Step by Step Solution
- Step 1: Write the proportion equation
371,770.24 : 513,178.32 = 228,722.08 : x - Step 2: Convert to fraction form
371,770.24/513,178.32 = 228,722.08/x - Step 3: Cross multiply
371,770.24x = 513,178.32 × 228,722.08 - Step 4: Simplify right side
371,770.24x = 117,375,212,761.31 - Step 5: Solve for x
x = 117,375,212,761.31/371,770.24 - Step 6: Final answer
x = 315,719.76
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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.