Finding the Fourth Proportional to 381,560.64, 526,446.99 and 238,466.04
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Solution
The fourth proportional to 381,560.64, 526,446.99 and 238,466.04 is: 329,016.45
Step by Step Solution
- Step 1: Write the proportion equation
381,560.64 : 526,446.99 = 238,466.04 : x - Step 2: Convert to fraction form
381,560.64/526,446.99 = 238,466.04/x - Step 3: Cross multiply
381,560.64x = 526,446.99 × 238,466.04 - Step 4: Simplify right side
381,560.64x = 125,539,728,975.22 - Step 5: Solve for x
x = 125,539,728,975.22/381,560.64 - Step 6: Final answer
x = 329,016.45
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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.