Finding the Fourth Proportional to 216,060.91, 297,995.44 and 138,543.94
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Solution
The fourth proportional to 216,060.91, 297,995.44 and 138,543.94 is: 191,082.52
Step by Step Solution
- Step 1: Write the proportion equation
216,060.91 : 297,995.44 = 138,543.94 : x - Step 2: Convert to fraction form
216,060.91/297,995.44 = 138,543.94/x - Step 3: Cross multiply
216,060.91x = 297,995.44 × 138,543.94 - Step 4: Simplify right side
216,060.91x = 41,285,463,191.41 - Step 5: Solve for x
x = 41,285,463,191.41/216,060.91 - Step 6: Final answer
x = 191,082.52
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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.