Finding the Fourth Proportional to 239,660.40, 359,202.60 and 99,346.80
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Solution
The fourth proportional to 239,660.40, 359,202.60 and 99,346.80 is: 148,900.81
Step by Step Solution
- Step 1: Write the proportion equation
239,660.40 : 359,202.60 = 99,346.80 : x - Step 2: Convert to fraction form
239,660.40/359,202.60 = 99,346.80/x - Step 3: Cross multiply
239,660.40x = 359,202.60 × 99,346.80 - Step 4: Simplify right side
239,660.40x = 35,685,628,861.68 - Step 5: Solve for x
x = 35,685,628,861.68/239,660.40 - Step 6: Final answer
x = 148,900.81
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.