Finding the Fourth Proportional to 322,122.60, 482,723.10 and 237,220.20
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Solution
The fourth proportional to 322,122.60, 482,723.10 and 237,220.20 is: 355,490.95
Step by Step Solution
- Step 1: Write the proportion equation
322,122.60 : 482,723.10 = 237,220.20 : x - Step 2: Convert to fraction form
322,122.60/482,723.10 = 237,220.20/x - Step 3: Cross multiply
322,122.60x = 482,723.10 × 237,220.20 - Step 4: Simplify right side
322,122.60x = 114,511,670,326.62 - Step 5: Solve for x
x = 114,511,670,326.62/322,122.60 - Step 6: Final answer
x = 355,490.95
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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.