Finding the Fourth Proportional to 239,379.18, 330,358.03 and 131,948.94
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Solution
The fourth proportional to 239,379.18, 330,358.03 and 131,948.94 is: 182,097.68
Step by Step Solution
- Step 1: Write the proportion equation
239,379.18 : 330,358.03 = 131,948.94 : x - Step 2: Convert to fraction form
239,379.18/330,358.03 = 131,948.94/x - Step 3: Cross multiply
239,379.18x = 330,358.03 × 131,948.94 - Step 4: Simplify right side
239,379.18x = 43,590,392,787.96 - Step 5: Solve for x
x = 43,590,392,787.96/239,379.18 - Step 6: Final answer
x = 182,097.68
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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.