Finding the Fourth Proportional to 809,191.08, 1,213,785.54 and 218,215.08
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Solution
The fourth proportional to 809,191.08, 1,213,785.54 and 218,215.08 is: 327,322.33
Step by Step Solution
- Step 1: Write the proportion equation
809,191.08 : 1,213,785.54 = 218,215.08 : x - Step 2: Convert to fraction form
809,191.08/1,213,785.54 = 218,215.08/x - Step 3: Cross multiply
809,191.08x = 1,213,785.54 × 218,215.08 - Step 4: Simplify right side
809,191.08x = 264,866,308,713.94 - Step 5: Solve for x
x = 264,866,308,713.94/809,191.08 - Step 6: Final answer
x = 327,322.33
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1.5x scale
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.