Finding the Fourth Proportional to 299,749.75, 449,618.27 and 97,345.62
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Solution
The fourth proportional to 299,749.75, 449,618.27 and 97,345.62 is: 146,016.37
Step by Step Solution
- Step 1: Write the proportion equation
299,749.75 : 449,618.27 = 97,345.62 : x - Step 2: Convert to fraction form
299,749.75/449,618.27 = 97,345.62/x - Step 3: Cross multiply
299,749.75x = 449,618.27 × 97,345.62 - Step 4: Simplify right side
299,749.75x = 43,768,368,769.75 - Step 5: Solve for x
x = 43,768,368,769.75/299,749.75 - Step 6: Final answer
x = 146,016.37
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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.