Finding the Fourth Proportional to 316,368.48, 436,590.24 and 178,548.56
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Solution
The fourth proportional to 316,368.48, 436,590.24 and 178,548.56 is: 246,397.99
Step by Step Solution
- Step 1: Write the proportion equation
316,368.48 : 436,590.24 = 178,548.56 : x - Step 2: Convert to fraction form
316,368.48/436,590.24 = 178,548.56/x - Step 3: Cross multiply
316,368.48x = 436,590.24 × 178,548.56 - Step 4: Simplify right side
316,368.48x = 77,952,558,662.05 - Step 5: Solve for x
x = 77,952,558,662.05/316,368.48 - Step 6: Final answer
x = 246,397.99
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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.