Finding the Fourth Proportional to 218,806.26, 328,824.99 and 130,075.62
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Solution
The fourth proportional to 218,806.26, 328,824.99 and 130,075.62 is: 195,479.39
Step by Step Solution
- Step 1: Write the proportion equation
218,806.26 : 328,824.99 = 130,075.62 : x - Step 2: Convert to fraction form
218,806.26/328,824.99 = 130,075.62/x - Step 3: Cross multiply
218,806.26x = 328,824.99 × 130,075.62 - Step 4: Simplify right side
218,806.26x = 42,772,114,445.74 - Step 5: Solve for x
x = 42,772,114,445.74/218,806.26 - Step 6: Final answer
x = 195,479.39
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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.