Finding the Fourth Proportional to 615,198.08, 922,233.36 and 215,621.03
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Solution
The fourth proportional to 615,198.08, 922,233.36 and 215,621.03 is: 323,233.95
Step by Step Solution
- Step 1: Write the proportion equation
615,198.08 : 922,233.36 = 215,621.03 : x - Step 2: Convert to fraction form
615,198.08/922,233.36 = 215,621.03/x - Step 3: Cross multiply
615,198.08x = 922,233.36 × 215,621.03 - Step 4: Simplify right side
615,198.08x = 198,852,906,983.56 - Step 5: Solve for x
x = 198,852,906,983.56/615,198.08 - Step 6: Final answer
x = 323,233.95
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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.