Finding the Fourth Proportional to 188,734.68, 260,369.20 and 127,460.96
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Solution
The fourth proportional to 188,734.68, 260,369.20 and 127,460.96 is: 175,838.95
Step by Step Solution
- Step 1: Write the proportion equation
188,734.68 : 260,369.20 = 127,460.96 : x - Step 2: Convert to fraction form
188,734.68/260,369.20 = 127,460.96/x - Step 3: Cross multiply
188,734.68x = 260,369.20 × 127,460.96 - Step 4: Simplify right side
188,734.68x = 33,186,908,186.43 - Step 5: Solve for x
x = 33,186,908,186.43/188,734.68 - Step 6: Final answer
x = 175,838.95
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1.5x scale
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.