Finding the Fourth Proportional to 891,439.20, 1,337,161.68 and 226,591.20
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Solution
The fourth proportional to 891,439.20, 1,337,161.68 and 226,591.20 is: 339,887.53
Step by Step Solution
- Step 1: Write the proportion equation
891,439.20 : 1,337,161.68 = 226,591.20 : x - Step 2: Convert to fraction form
891,439.20/1,337,161.68 = 226,591.20/x - Step 3: Cross multiply
891,439.20x = 1,337,161.68 × 226,591.20 - Step 4: Simplify right side
891,439.20x = 302,989,069,665.22 - Step 5: Solve for x
x = 302,989,069,665.22/891,439.20 - Step 6: Final answer
x = 339,887.53
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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.