Finding the Fourth Proportional to 163,592.21, 245,519.53 and 84,728.99
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Solution
The fourth proportional to 163,592.21, 245,519.53 and 84,728.99 is: 127,161.44
Step by Step Solution
- Step 1: Write the proportion equation
163,592.21 : 245,519.53 = 84,728.99 : x - Step 2: Convert to fraction form
163,592.21/245,519.53 = 84,728.99/x - Step 3: Cross multiply
163,592.21x = 245,519.53 × 84,728.99 - Step 4: Simplify right side
163,592.21x = 20,802,621,802.17 - Step 5: Solve for x
x = 20,802,621,802.17/163,592.21 - Step 6: Final answer
x = 127,161.44
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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.