Finding the Fourth Proportional to 162,651.11, 224,431.74 and 102,178.93
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Solution
The fourth proportional to 162,651.11, 224,431.74 and 102,178.93 is: 140,990.09
Step by Step Solution
- Step 1: Write the proportion equation
162,651.11 : 224,431.74 = 102,178.93 : x - Step 2: Convert to fraction form
162,651.11/224,431.74 = 102,178.93/x - Step 3: Cross multiply
162,651.11x = 224,431.74 × 102,178.93 - Step 4: Simplify right side
162,651.11x = 22,932,195,051.24 - Step 5: Solve for x
x = 22,932,195,051.24/162,651.11 - Step 6: Final answer
x = 140,990.09
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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.