Finding the Fourth Proportional to 197,521.62, 272,579.29 and 106,879.13
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Solution
The fourth proportional to 197,521.62, 272,579.29 and 106,879.13 is: 147,492.90
Step by Step Solution
- Step 1: Write the proportion equation
197,521.62 : 272,579.29 = 106,879.13 : x - Step 2: Convert to fraction form
197,521.62/272,579.29 = 106,879.13/x - Step 3: Cross multiply
197,521.62x = 272,579.29 × 106,879.13 - Step 4: Simplify right side
197,521.62x = 29,133,035,473.93 - Step 5: Solve for x
x = 29,133,035,473.93/197,521.62 - Step 6: Final answer
x = 147,492.90
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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.