Finding the Fourth Proportional to 196,113.29, 270,546.35 and 115,502.18
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Solution
The fourth proportional to 196,113.29, 270,546.35 and 115,502.18 is: 159,340.00
Step by Step Solution
- Step 1: Write the proportion equation
196,113.29 : 270,546.35 = 115,502.18 : x - Step 2: Convert to fraction form
196,113.29/270,546.35 = 115,502.18/x - Step 3: Cross multiply
196,113.29x = 270,546.35 × 115,502.18 - Step 4: Simplify right side
196,113.29x = 31,248,691,285.80 - Step 5: Solve for x
x = 31,248,691,285.80/196,113.29 - Step 6: Final answer
x = 159,340.00
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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.