Finding the Fourth Proportional to 316,076.06, 474,114.57 and 129,087.56
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Solution
The fourth proportional to 316,076.06, 474,114.57 and 129,087.56 is: 193,631.54
Step by Step Solution
- Step 1: Write the proportion equation
316,076.06 : 474,114.57 = 129,087.56 : x - Step 2: Convert to fraction form
316,076.06/474,114.57 = 129,087.56/x - Step 3: Cross multiply
316,076.06x = 474,114.57 × 129,087.56 - Step 4: Simplify right side
316,076.06x = 61,202,294,792.13 - Step 5: Solve for x
x = 61,202,294,792.13/316,076.06 - Step 6: Final answer
x = 193,631.54
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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.