Finding the Fourth Proportional to 367,971.68, 551,624.92 and 131,258.09
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Solution
The fourth proportional to 367,971.68, 551,624.92 and 131,258.09 is: 196,768.50
Step by Step Solution
- Step 1: Write the proportion equation
367,971.68 : 551,624.92 = 131,258.09 : x - Step 2: Convert to fraction form
367,971.68/551,624.92 = 131,258.09/x - Step 3: Cross multiply
367,971.68x = 551,624.92 × 131,258.09 - Step 4: Simplify right side
367,971.68x = 72,405,234,446.52 - Step 5: Solve for x
x = 72,405,234,446.52/367,971.68 - Step 6: Final answer
x = 196,768.50
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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.