Finding the Fourth Proportional to 370,967.91, 511,889.18 and 220,035.75
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Solution
The fourth proportional to 370,967.91, 511,889.18 and 220,035.75 is: 303,621.73
Step by Step Solution
- Step 1: Write the proportion equation
370,967.91 : 511,889.18 = 220,035.75 : x - Step 2: Convert to fraction form
370,967.91/511,889.18 = 220,035.75/x - Step 3: Cross multiply
370,967.91x = 511,889.18 × 220,035.75 - Step 4: Simplify right side
370,967.91x = 112,633,918,538.01 - Step 5: Solve for x
x = 112,633,918,538.01/370,967.91 - Step 6: Final answer
x = 303,621.73
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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.