Finding the Fourth Proportional to 367,635.70, 551,453.55 and 274,323.70
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Solution
The fourth proportional to 367,635.70, 551,453.55 and 274,323.70 is: 411,485.55
Step by Step Solution
- Step 1: Write the proportion equation
367,635.70 : 551,453.55 = 274,323.70 : x - Step 2: Convert to fraction form
367,635.70/551,453.55 = 274,323.70/x - Step 3: Cross multiply
367,635.70x = 551,453.55 × 274,323.70 - Step 4: Simplify right side
367,635.70x = 151,276,778,214.14 - Step 5: Solve for x
x = 151,276,778,214.14/367,635.70 - Step 6: Final answer
x = 411,485.55
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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.