Finding the Fourth Proportional to 624,245.42, 936,362.18 and 197,780.06
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Solution
The fourth proportional to 624,245.42, 936,362.18 and 197,780.06 is: 296,668.20
Step by Step Solution
- Step 1: Write the proportion equation
624,245.42 : 936,362.18 = 197,780.06 : x - Step 2: Convert to fraction form
624,245.42/936,362.18 = 197,780.06/x - Step 3: Cross multiply
624,245.42x = 936,362.18 × 197,780.06 - Step 4: Simplify right side
624,245.42x = 185,193,768,142.13 - Step 5: Solve for x
x = 185,193,768,142.13/624,245.42 - Step 6: Final answer
x = 296,668.20
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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.