Finding the Fourth Proportional to 305,586.01, 421,663.75 and 169,620.98
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Solution
The fourth proportional to 305,586.01, 421,663.75 and 169,620.98 is: 234,052.00
Step by Step Solution
- Step 1: Write the proportion equation
305,586.01 : 421,663.75 = 169,620.98 : x - Step 2: Convert to fraction form
305,586.01/421,663.75 = 169,620.98/x - Step 3: Cross multiply
305,586.01x = 421,663.75 × 169,620.98 - Step 4: Simplify right side
305,586.01x = 71,523,015,973.10 - Step 5: Solve for x
x = 71,523,015,973.10/305,586.01 - Step 6: Final answer
x = 234,052.00
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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.