Finding the Fourth Proportional to 373,281.49, 515,106.26 and 212,114.17
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Solution
The fourth proportional to 373,281.49, 515,106.26 and 212,114.17 is: 292,704.94
Step by Step Solution
- Step 1: Write the proportion equation
373,281.49 : 515,106.26 = 212,114.17 : x - Step 2: Convert to fraction form
373,281.49/515,106.26 = 212,114.17/x - Step 3: Cross multiply
373,281.49x = 515,106.26 × 212,114.17 - Step 4: Simplify right side
373,281.49x = 109,261,336,801.70 - Step 5: Solve for x
x = 109,261,336,801.70/373,281.49 - Step 6: Final answer
x = 292,704.94
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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.