Finding the Fourth Proportional to 334,207.80, 501,311.70 and 318,655.80
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Solution
The fourth proportional to 334,207.80, 501,311.70 and 318,655.80 is: 477,983.70
Step by Step Solution
- Step 1: Write the proportion equation
334,207.80 : 501,311.70 = 318,655.80 : x - Step 2: Convert to fraction form
334,207.80/501,311.70 = 318,655.80/x - Step 3: Cross multiply
334,207.80x = 501,311.70 × 318,655.80 - Step 4: Simplify right side
334,207.80x = 159,745,880,812.86 - Step 5: Solve for x
x = 159,745,880,812.86/334,207.80 - Step 6: Final answer
x = 477,983.70
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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.