Finding the Fourth Proportional to 143,838.86, 215,832.23 and 110,320.19
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Solution
The fourth proportional to 143,838.86, 215,832.23 and 110,320.19 is: 165,536.99
Step by Step Solution
- Step 1: Write the proportion equation
143,838.86 : 215,832.23 = 110,320.19 : x - Step 2: Convert to fraction form
143,838.86/215,832.23 = 110,320.19/x - Step 3: Cross multiply
143,838.86x = 215,832.23 × 110,320.19 - Step 4: Simplify right side
143,838.86x = 23,810,650,990.96 - Step 5: Solve for x
x = 23,810,650,990.96/143,838.86 - Step 6: Final answer
x = 165,536.99
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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.