Finding the Fourth Proportional to 551,414.90, 827,122.35 and 235,903.70
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Solution
The fourth proportional to 551,414.90, 827,122.35 and 235,903.70 is: 353,855.55
Step by Step Solution
- Step 1: Write the proportion equation
551,414.90 : 827,122.35 = 235,903.70 : x - Step 2: Convert to fraction form
551,414.90/827,122.35 = 235,903.70/x - Step 3: Cross multiply
551,414.90x = 827,122.35 × 235,903.70 - Step 4: Simplify right side
551,414.90x = 195,121,222,717.70 - Step 5: Solve for x
x = 195,121,222,717.70/551,414.90 - Step 6: Final answer
x = 353,855.55
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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.