Finding the Fourth Proportional to 327,961.80, 491,942.70 and 106,345.80
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Solution
The fourth proportional to 327,961.80, 491,942.70 and 106,345.80 is: 159,518.70
Step by Step Solution
- Step 1: Write the proportion equation
327,961.80 : 491,942.70 = 106,345.80 : x - Step 2: Convert to fraction form
327,961.80/491,942.70 = 106,345.80/x - Step 3: Cross multiply
327,961.80x = 491,942.70 × 106,345.80 - Step 4: Simplify right side
327,961.80x = 52,316,039,985.66 - Step 5: Solve for x
x = 52,316,039,985.66/327,961.80 - Step 6: Final answer
x = 159,518.70
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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.