Finding the Fourth Proportional to 389,461.46, 584,213.47 and 123,202.17
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Solution
The fourth proportional to 389,461.46, 584,213.47 and 123,202.17 is: 184,809.99
Step by Step Solution
- Step 1: Write the proportion equation
389,461.46 : 584,213.47 = 123,202.17 : x - Step 2: Convert to fraction form
389,461.46/584,213.47 = 123,202.17/x - Step 3: Cross multiply
389,461.46x = 584,213.47 × 123,202.17 - Step 4: Simplify right side
389,461.46x = 71,976,366,939.22 - Step 5: Solve for x
x = 71,976,366,939.22/389,461.46 - Step 6: Final answer
x = 184,809.99
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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.