Finding the Fourth Proportional to 367,649.70, 551,474.55 and 274,337.70
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Solution
The fourth proportional to 367,649.70, 551,474.55 and 274,337.70 is: 411,506.55
Step by Step Solution
- Step 1: Write the proportion equation
367,649.70 : 551,474.55 = 274,337.70 : x - Step 2: Convert to fraction form
367,649.70/551,474.55 = 274,337.70/x - Step 3: Cross multiply
367,649.70x = 551,474.55 × 274,337.70 - Step 4: Simplify right side
367,649.70x = 151,290,259,655.54 - Step 5: Solve for x
x = 151,290,259,655.54/367,649.70 - Step 6: Final answer
x = 411,506.55
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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.