Finding the Fourth Proportional to 316,191.44, 474,287.96 and 129,202.94
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Solution
The fourth proportional to 316,191.44, 474,287.96 and 129,202.94 is: 193,804.74
Step by Step Solution
- Step 1: Write the proportion equation
316,191.44 : 474,287.96 = 129,202.94 : x - Step 2: Convert to fraction form
316,191.44/474,287.96 = 129,202.94/x - Step 3: Cross multiply
316,191.44x = 474,287.96 × 129,202.94 - Step 4: Simplify right side
316,191.44x = 61,279,398,838.60 - Step 5: Solve for x
x = 61,279,398,838.60/316,191.44 - Step 6: Final answer
x = 193,804.74
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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.