Finding the Fourth Proportional to 367,625.70, 551,438.55 and 274,313.70
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Solution
The fourth proportional to 367,625.70, 551,438.55 and 274,313.70 is: 411,470.55
Step by Step Solution
- Step 1: Write the proportion equation
367,625.70 : 551,438.55 = 274,313.70 : x - Step 2: Convert to fraction form
367,625.70/551,438.55 = 274,313.70/x - Step 3: Cross multiply
367,625.70x = 551,438.55 × 274,313.70 - Step 4: Simplify right side
367,625.70x = 151,267,148,973.14 - Step 5: Solve for x
x = 151,267,148,973.14/367,625.70 - Step 6: Final answer
x = 411,470.55
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1.5x scale
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.