Finding the Fourth Proportional to 293,614.60, 405,252.66 and 193,021.96
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Solution
The fourth proportional to 293,614.60, 405,252.66 and 193,021.96 is: 266,412.71
Step by Step Solution
- Step 1: Write the proportion equation
293,614.60 : 405,252.66 = 193,021.96 : x - Step 2: Convert to fraction form
293,614.60/405,252.66 = 193,021.96/x - Step 3: Cross multiply
293,614.60x = 405,252.66 × 193,021.96 - Step 4: Simplify right side
293,614.60x = 78,222,662,728.41 - Step 5: Solve for x
x = 78,222,662,728.41/293,614.60 - Step 6: Final answer
x = 266,412.71
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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.