Finding the Fourth Proportional to 233,719.19, 350,454.05 and 121,286.20
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Solution
The fourth proportional to 233,719.19, 350,454.05 and 121,286.20 is: 181,864.56
Step by Step Solution
- Step 1: Write the proportion equation
233,719.19 : 350,454.05 = 121,286.20 : x - Step 2: Convert to fraction form
233,719.19/350,454.05 = 121,286.20/x - Step 3: Cross multiply
233,719.19x = 350,454.05 × 121,286.20 - Step 4: Simplify right side
233,719.19x = 42,505,237,640.41 - Step 5: Solve for x
x = 42,505,237,640.41/233,719.19 - Step 6: Final answer
x = 181,864.56
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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.