Finding the Fourth Proportional to 229,725.42, 316,974.62 and 134,213.66
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Solution
The fourth proportional to 229,725.42, 316,974.62 and 134,213.66 is: 185,187.71
Step by Step Solution
- Step 1: Write the proportion equation
229,725.42 : 316,974.62 = 134,213.66 : x - Step 2: Convert to fraction form
229,725.42/316,974.62 = 134,213.66/x - Step 3: Cross multiply
229,725.42x = 316,974.62 × 134,213.66 - Step 4: Simplify right side
229,725.42x = 42,542,323,877.31 - Step 5: Solve for x
x = 42,542,323,877.31/229,725.42 - Step 6: Final answer
x = 185,187.71
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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.