Finding the Fourth Proportional to 320,349.53, 442,091.58 and 177,118.82
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Solution
The fourth proportional to 320,349.53, 442,091.58 and 177,118.82 is: 244,429.07
Step by Step Solution
- Step 1: Write the proportion equation
320,349.53 : 442,091.58 = 177,118.82 : x - Step 2: Convert to fraction form
320,349.53/442,091.58 = 177,118.82/x - Step 3: Cross multiply
320,349.53x = 442,091.58 × 177,118.82 - Step 4: Simplify right side
320,349.53x = 78,302,738,981.54 - Step 5: Solve for x
x = 78,302,738,981.54/320,349.53 - Step 6: Final answer
x = 244,429.07
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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.