Finding the Fourth Proportional to 204,121.80, 306,182.70 and 93,313.80
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Solution
The fourth proportional to 204,121.80, 306,182.70 and 93,313.80 is: 139,970.70
Step by Step Solution
- Step 1: Write the proportion equation
204,121.80 : 306,182.70 = 93,313.80 : x - Step 2: Convert to fraction form
204,121.80/306,182.70 = 93,313.80/x - Step 3: Cross multiply
204,121.80x = 306,182.70 × 93,313.80 - Step 4: Simplify right side
204,121.80x = 28,571,071,231.26 - Step 5: Solve for x
x = 28,571,071,231.26/204,121.80 - Step 6: Final answer
x = 139,970.70
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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.