Finding the Fourth Proportional to 389,192.80, 582,651.84 and 351,838.84
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Solution
The fourth proportional to 389,192.80, 582,651.84 and 351,838.84 is: 526,730.06
Step by Step Solution
- Step 1: Write the proportion equation
389,192.80 : 582,651.84 = 351,838.84 : x - Step 2: Convert to fraction form
389,192.80/582,651.84 = 351,838.84/x - Step 3: Cross multiply
389,192.80x = 582,651.84 × 351,838.84 - Step 4: Simplify right side
389,192.80x = 204,999,547,509.47 - Step 5: Solve for x
x = 204,999,547,509.47/389,192.80 - Step 6: Final answer
x = 526,730.06
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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.