Finding the Fourth Proportional to 146,461.18, 202,103.85 and 85,218.70
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Solution
The fourth proportional to 146,461.18, 202,103.85 and 85,218.70 is: 117,594.49
Step by Step Solution
- Step 1: Write the proportion equation
146,461.18 : 202,103.85 = 85,218.70 : x - Step 2: Convert to fraction form
146,461.18/202,103.85 = 85,218.70/x - Step 3: Cross multiply
146,461.18x = 202,103.85 × 85,218.70 - Step 4: Simplify right side
146,461.18x = 17,223,027,176.31 - Step 5: Solve for x
x = 17,223,027,176.31/146,461.18 - Step 6: Final answer
x = 117,594.49
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.