Finding the Fourth Proportional to 186,487.10, 279,074.55 and 170,740.70
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Solution
The fourth proportional to 186,487.10, 279,074.55 and 170,740.70 is: 255,510.35
Step by Step Solution
- Step 1: Write the proportion equation
186,487.10 : 279,074.55 = 170,740.70 : x - Step 2: Convert to fraction form
186,487.10/279,074.55 = 170,740.70/x - Step 3: Cross multiply
186,487.10x = 279,074.55 × 170,740.70 - Step 4: Simplify right side
186,487.10x = 47,649,384,019.19 - Step 5: Solve for x
x = 47,649,384,019.19/186,487.10 - Step 6: Final answer
x = 255,510.35
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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.