Finding the Fourth Proportional to 311,970.30, 467,955.45 and 170,252.70
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Solution
The fourth proportional to 311,970.30, 467,955.45 and 170,252.70 is: 255,379.05
Step by Step Solution
- Step 1: Write the proportion equation
311,970.30 : 467,955.45 = 170,252.70 : x - Step 2: Convert to fraction form
311,970.30/467,955.45 = 170,252.70/x - Step 3: Cross multiply
311,970.30x = 467,955.45 × 170,252.70 - Step 4: Simplify right side
311,970.30x = 79,670,678,842.22 - Step 5: Solve for x
x = 79,670,678,842.22/311,970.30 - Step 6: Final answer
x = 255,379.05
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1.5x scale
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.