Finding the Fourth Proportional to 186,377.08, 257,191.62 and 105,793.96
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Solution
The fourth proportional to 186,377.08, 257,191.62 and 105,793.96 is: 145,990.70
Step by Step Solution
- Step 1: Write the proportion equation
186,377.08 : 257,191.62 = 105,793.96 : x - Step 2: Convert to fraction form
186,377.08/257,191.62 = 105,793.96/x - Step 3: Cross multiply
186,377.08x = 257,191.62 × 105,793.96 - Step 4: Simplify right side
186,377.08x = 27,209,319,958.62 - Step 5: Solve for x
x = 27,209,319,958.62/186,377.08 - Step 6: Final answer
x = 145,990.70
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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.