Finding the Fourth Proportional to 436,213.68, 654,319.53 and 136,717.08
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Solution
The fourth proportional to 436,213.68, 654,319.53 and 136,717.08 is: 205,075.31
Step by Step Solution
- Step 1: Write the proportion equation
436,213.68 : 654,319.53 = 136,717.08 : x - Step 2: Convert to fraction form
436,213.68/654,319.53 = 136,717.08/x - Step 3: Cross multiply
436,213.68x = 654,319.53 × 136,717.08 - Step 4: Simplify right side
436,213.68x = 89,456,655,528.57 - Step 5: Solve for x
x = 89,456,655,528.57/436,213.68 - Step 6: Final answer
x = 205,075.31
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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.