Finding the Fourth Proportional to 303,355.75, 418,630.95 and 169,219.75
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Solution
The fourth proportional to 303,355.75, 418,630.95 and 169,219.75 is: 233,523.26
Step by Step Solution
- Step 1: Write the proportion equation
303,355.75 : 418,630.95 = 169,219.75 : x - Step 2: Convert to fraction form
303,355.75/418,630.95 = 169,219.75/x - Step 3: Cross multiply
303,355.75x = 418,630.95 × 169,219.75 - Step 4: Simplify right side
303,355.75x = 70,840,624,701.26 - Step 5: Solve for x
x = 70,840,624,701.26/303,355.75 - Step 6: Final answer
x = 233,523.26
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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.