Finding the Fourth Proportional to 292,062.81, 403,046.68 and 157,926.81
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Solution
The fourth proportional to 292,062.81, 403,046.68 and 157,926.81 is: 217,939.00
Step by Step Solution
- Step 1: Write the proportion equation
292,062.81 : 403,046.68 = 157,926.81 : x - Step 2: Convert to fraction form
292,062.81/403,046.68 = 157,926.81/x - Step 3: Cross multiply
292,062.81x = 403,046.68 × 157,926.81 - Step 4: Simplify right side
292,062.81x = 63,651,876,453.49 - Step 5: Solve for x
x = 63,651,876,453.49/292,062.81 - Step 6: Final answer
x = 217,939.00
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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.