Finding the Fourth Proportional to 291,212.63, 401,872.41 and 162,152.65
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Solution
The fourth proportional to 291,212.63, 401,872.41 and 162,152.65 is: 223,770.09
Step by Step Solution
- Step 1: Write the proportion equation
291,212.63 : 401,872.41 = 162,152.65 : x - Step 2: Convert to fraction form
291,212.63/401,872.41 = 162,152.65/x - Step 3: Cross multiply
291,212.63x = 401,872.41 × 162,152.65 - Step 4: Simplify right side
291,212.63x = 65,164,676,271.81 - Step 5: Solve for x
x = 65,164,676,271.81/291,212.63 - Step 6: Final answer
x = 223,770.09
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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.