Finding the Fourth Proportional to 353,046.39, 487,192.08 and 202,114.23
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Solution
The fourth proportional to 353,046.39, 487,192.08 and 202,114.23 is: 278,910.80
Step by Step Solution
- Step 1: Write the proportion equation
353,046.39 : 487,192.08 = 202,114.23 : x - Step 2: Convert to fraction form
353,046.39/487,192.08 = 202,114.23/x - Step 3: Cross multiply
353,046.39x = 487,192.08 × 202,114.23 - Step 4: Simplify right side
353,046.39x = 98,468,452,111.30 - Step 5: Solve for x
x = 98,468,452,111.30/353,046.39 - Step 6: Final answer
x = 278,910.80
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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.