Finding the Fourth Proportional to 475,342.13, 655,972.16 and 274,138.13
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Solution
The fourth proportional to 475,342.13, 655,972.16 and 274,138.13 is: 378,310.63
Step by Step Solution
- Step 1: Write the proportion equation
475,342.13 : 655,972.16 = 274,138.13 : x - Step 2: Convert to fraction form
475,342.13/655,972.16 = 274,138.13/x - Step 3: Cross multiply
475,342.13x = 655,972.16 × 274,138.13 - Step 4: Simplify right side
475,342.13x = 179,826,976,623.91 - Step 5: Solve for x
x = 179,826,976,623.91/475,342.13 - Step 6: Final answer
x = 378,310.63
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.