Finding the Fourth Proportional to 347,948.82, 480,400.70 and 267,232.12
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Solution
The fourth proportional to 347,948.82, 480,400.70 and 267,232.12 is: 368,957.99
Step by Step Solution
- Step 1: Write the proportion equation
347,948.82 : 480,400.70 = 267,232.12 : x - Step 2: Convert to fraction form
347,948.82/480,400.70 = 267,232.12/x - Step 3: Cross multiply
347,948.82x = 480,400.70 × 267,232.12 - Step 4: Simplify right side
347,948.82x = 128,378,497,510.48 - Step 5: Solve for x
x = 128,378,497,510.48/347,948.82 - Step 6: Final answer
x = 368,957.99
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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.