Finding the Fourth Proportional to 223,888.96, 335,856.98 and 129,116.99
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Solution
The fourth proportional to 223,888.96, 335,856.98 and 129,116.99 is: 193,689.06
Step by Step Solution
- Step 1: Write the proportion equation
223,888.96 : 335,856.98 = 129,116.99 : x - Step 2: Convert to fraction form
223,888.96/335,856.98 = 129,116.99/x - Step 3: Cross multiply
223,888.96x = 335,856.98 × 129,116.99 - Step 4: Simplify right side
223,888.96x = 43,364,841,601.33 - Step 5: Solve for x
x = 43,364,841,601.33/223,888.96 - Step 6: Final answer
x = 193,689.06
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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.