Finding the Fourth Proportional to 320,273.72, 441,962.45 and 175,086.99
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Solution
The fourth proportional to 320,273.72, 441,962.45 and 175,086.99 is: 241,611.69
Step by Step Solution
- Step 1: Write the proportion equation
320,273.72 : 441,962.45 = 175,086.99 : x - Step 2: Convert to fraction form
320,273.72/441,962.45 = 175,086.99/x - Step 3: Cross multiply
320,273.72x = 441,962.45 × 175,086.99 - Step 4: Simplify right side
320,273.72x = 77,381,875,063.53 - Step 5: Solve for x
x = 77,381,875,063.53/320,273.72 - Step 6: Final answer
x = 241,611.69
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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.