Finding the Fourth Proportional to 624,190.78, 936,207.26 and 197,769.88
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Solution
The fourth proportional to 624,190.78, 936,207.26 and 197,769.88 is: 296,629.82
Step by Step Solution
- Step 1: Write the proportion equation
624,190.78 : 936,207.26 = 197,769.88 : x - Step 2: Convert to fraction form
624,190.78/936,207.26 = 197,769.88/x - Step 3: Cross multiply
624,190.78x = 936,207.26 × 197,769.88 - Step 4: Simplify right side
624,190.78x = 185,153,596,867.75 - Step 5: Solve for x
x = 185,153,596,867.75/624,190.78 - Step 6: Final answer
x = 296,629.82
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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.