Finding the Fourth Proportional to 146,201.70, 219,302.55 and 121,269.90
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Solution
The fourth proportional to 146,201.70, 219,302.55 and 121,269.90 is: 181,904.85
Step by Step Solution
- Step 1: Write the proportion equation
146,201.70 : 219,302.55 = 121,269.90 : x - Step 2: Convert to fraction form
146,201.70/219,302.55 = 121,269.90/x - Step 3: Cross multiply
146,201.70x = 219,302.55 × 121,269.90 - Step 4: Simplify right side
146,201.70x = 26,594,798,308.25 - Step 5: Solve for x
x = 26,594,798,308.25/146,201.70 - Step 6: Final answer
x = 181,904.85
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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.