Finding the Fourth Proportional to 332,767.40, 498,951.16 and 130,122.09
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Solution
The fourth proportional to 332,767.40, 498,951.16 and 130,122.09 is: 195,104.95
Step by Step Solution
- Step 1: Write the proportion equation
332,767.40 : 498,951.16 = 130,122.09 : x - Step 2: Convert to fraction form
332,767.40/498,951.16 = 130,122.09/x - Step 3: Cross multiply
332,767.40x = 498,951.16 × 130,122.09 - Step 4: Simplify right side
332,767.40x = 64,924,567,421.82 - Step 5: Solve for x
x = 64,924,567,421.82/332,767.40 - Step 6: Final answer
x = 195,104.95
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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.