Finding the Fourth Proportional to 170,724.70, 239,364.50 and 170,724.70
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Solution
The fourth proportional to 170,724.70, 239,364.50 and 170,724.70 is: 239,364.50
Step by Step Solution
- Step 1: Write the proportion equation
170,724.70 : 239,364.50 = 170,724.70 : x - Step 2: Convert to fraction form
170,724.70/239,364.50 = 170,724.70/x - Step 3: Cross multiply
170,724.70x = 239,364.50 × 170,724.70 - Step 4: Simplify right side
170,724.70x = 40,865,432,453.15 - Step 5: Solve for x
x = 40,865,432,453.15/170,724.70 - Step 6: Final answer
x = 239,364.50
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.