Finding the Fourth Proportional to 258,260.38, 356,374.84 and 239,217.08
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Solution
The fourth proportional to 258,260.38, 356,374.84 and 239,217.08 is: 330,096.89
Step by Step Solution
- Step 1: Write the proportion equation
258,260.38 : 356,374.84 = 239,217.08 : x - Step 2: Convert to fraction form
258,260.38/356,374.84 = 239,217.08/x - Step 3: Cross multiply
258,260.38x = 356,374.84 × 239,217.08 - Step 4: Simplify right side
258,260.38x = 85,250,948,610.27 - Step 5: Solve for x
x = 85,250,948,610.27/258,260.38 - Step 6: Final answer
x = 330,096.89
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1.5x scale
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.