Finding the Fourth Proportional to 320,231.08, 441,914.58 and 176,993.62
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Solution
The fourth proportional to 320,231.08, 441,914.58 and 176,993.62 is: 244,248.81
Step by Step Solution
- Step 1: Write the proportion equation
320,231.08 : 441,914.58 = 176,993.62 : x - Step 2: Convert to fraction form
320,231.08/441,914.58 = 176,993.62/x - Step 3: Cross multiply
320,231.08x = 441,914.58 × 176,993.62 - Step 4: Simplify right side
320,231.08x = 78,216,061,244.98 - Step 5: Solve for x
x = 78,216,061,244.98/320,231.08 - Step 6: Final answer
x = 244,248.81
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1.5x scale
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.