Finding the Fourth Proportional to 199,613.57, 299,207.12 and 99,576.54
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Solution
The fourth proportional to 199,613.57, 299,207.12 and 99,576.54 is: 149,258.44
Step by Step Solution
- Step 1: Write the proportion equation
199,613.57 : 299,207.12 = 99,576.54 : x - Step 2: Convert to fraction form
199,613.57/299,207.12 = 99,576.54/x - Step 3: Cross multiply
199,613.57x = 299,207.12 × 99,576.54 - Step 4: Simplify right side
199,613.57x = 29,794,009,255.08 - Step 5: Solve for x
x = 29,794,009,255.08/199,613.57 - Step 6: Final answer
x = 149,258.44
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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.