Finding the Fourth Proportional to 229,783.62, 317,098.35 and 129,181.62
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Solution
The fourth proportional to 229,783.62, 317,098.35 and 129,181.62 is: 178,268.92
Step by Step Solution
- Step 1: Write the proportion equation
229,783.62 : 317,098.35 = 129,181.62 : x - Step 2: Convert to fraction form
229,783.62/317,098.35 = 129,181.62/x - Step 3: Cross multiply
229,783.62x = 317,098.35 × 129,181.62 - Step 4: Simplify right side
229,783.62x = 40,963,278,552.33 - Step 5: Solve for x
x = 40,963,278,552.33/229,783.62 - Step 6: Final answer
x = 178,268.92
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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.