Finding the Fourth Proportional to 268,728.93, 370,854.72 and 147,878.96
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Solution
The fourth proportional to 268,728.93, 370,854.72 and 147,878.96 is: 204,077.80
Step by Step Solution
- Step 1: Write the proportion equation
268,728.93 : 370,854.72 = 147,878.96 : x - Step 2: Convert to fraction form
268,728.93/370,854.72 = 147,878.96/x - Step 3: Cross multiply
268,728.93x = 370,854.72 × 147,878.96 - Step 4: Simplify right side
268,728.93x = 54,841,608,450.42 - Step 5: Solve for x
x = 54,841,608,450.42/268,728.93 - Step 6: Final answer
x = 204,077.80
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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.