Finding the Fourth Proportional to 624,607.20, 936,680.40 and 203,896.80
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Solution
The fourth proportional to 624,607.20, 936,680.40 and 203,896.80 is: 305,769.99
Step by Step Solution
- Step 1: Write the proportion equation
624,607.20 : 936,680.40 = 203,896.80 : x - Step 2: Convert to fraction form
624,607.20/936,680.40 = 203,896.80/x - Step 3: Cross multiply
624,607.20x = 936,680.40 × 203,896.80 - Step 4: Simplify right side
624,607.20x = 190,986,136,182.72 - Step 5: Solve for x
x = 190,986,136,182.72/624,607.20 - Step 6: Final answer
x = 305,769.99
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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.