Finding the Fourth Proportional to 343,476.09, 474,232.05 and 214,611.17
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Solution
The fourth proportional to 343,476.09, 474,232.05 and 214,611.17 is: 296,310.27
Step by Step Solution
- Step 1: Write the proportion equation
343,476.09 : 474,232.05 = 214,611.17 : x - Step 2: Convert to fraction form
343,476.09/474,232.05 = 214,611.17/x - Step 3: Cross multiply
343,476.09x = 474,232.05 × 214,611.17 - Step 4: Simplify right side
343,476.09x = 101,775,492,730.84 - Step 5: Solve for x
x = 101,775,492,730.84/343,476.09 - Step 6: Final answer
x = 296,310.27
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1.5x scale
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.