Finding the Fourth Proportional to 216,727.99, 325,157.45 and 64,929.99
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Solution
The fourth proportional to 216,727.99, 325,157.45 and 64,929.99 is: 97,414.60
Step by Step Solution
- Step 1: Write the proportion equation
216,727.99 : 325,157.45 = 64,929.99 : x - Step 2: Convert to fraction form
216,727.99/325,157.45 = 64,929.99/x - Step 3: Cross multiply
216,727.99x = 325,157.45 × 64,929.99 - Step 4: Simplify right side
216,727.99x = 21,112,470,261.95 - Step 5: Solve for x
x = 21,112,470,261.95/216,727.99 - Step 6: Final answer
x = 97,414.60
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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.