Finding the Fourth Proportional to 316,076.30, 474,114.93 and 129,087.80
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Solution
The fourth proportional to 316,076.30, 474,114.93 and 129,087.80 is: 193,631.89
Step by Step Solution
- Step 1: Write the proportion equation
316,076.30 : 474,114.93 = 129,087.80 : x - Step 2: Convert to fraction form
316,076.30/474,114.93 = 129,087.80/x - Step 3: Cross multiply
316,076.30x = 474,114.93 × 129,087.80 - Step 4: Simplify right side
316,076.30x = 61,202,452,184.13 - Step 5: Solve for x
x = 61,202,452,184.13/316,076.30 - Step 6: Final answer
x = 193,631.89
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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.