Finding the Fourth Proportional to 268,376.68, 370,442.34 and 172,883.08
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Solution
The fourth proportional to 268,376.68, 370,442.34 and 172,883.08 is: 238,631.81
Step by Step Solution
- Step 1: Write the proportion equation
268,376.68 : 370,442.34 = 172,883.08 : x - Step 2: Convert to fraction form
268,376.68/370,442.34 = 172,883.08/x - Step 3: Cross multiply
268,376.68x = 370,442.34 × 172,883.08 - Step 4: Simplify right side
268,376.68x = 64,043,212,701.61 - Step 5: Solve for x
x = 64,043,212,701.61/268,376.68 - Step 6: Final answer
x = 238,631.81
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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.