Finding the Fourth Proportional to 292,287.40, 438,431.10 and 275,957.80
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Solution
The fourth proportional to 292,287.40, 438,431.10 and 275,957.80 is: 413,936.70
Step by Step Solution
- Step 1: Write the proportion equation
292,287.40 : 438,431.10 = 275,957.80 : x - Step 2: Convert to fraction form
292,287.40/438,431.10 = 275,957.80/x - Step 3: Cross multiply
292,287.40x = 438,431.10 × 275,957.80 - Step 4: Simplify right side
292,287.40x = 120,988,481,807.58 - Step 5: Solve for x
x = 120,988,481,807.58/292,287.40 - Step 6: Final answer
x = 413,936.70
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1.5x scale
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.