Finding the Fourth Proportional to 296,181.33, 408,305.12 and 211,150.77
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Solution
The fourth proportional to 296,181.33, 408,305.12 and 211,150.77 is: 291,084.99
Step by Step Solution
- Step 1: Write the proportion equation
296,181.33 : 408,305.12 = 211,150.77 : x - Step 2: Convert to fraction form
296,181.33/408,305.12 = 211,150.77/x - Step 3: Cross multiply
296,181.33x = 408,305.12 × 211,150.77 - Step 4: Simplify right side
296,181.33x = 86,213,939,427.19 - Step 5: Solve for x
x = 86,213,939,427.19/296,181.33 - Step 6: Final answer
x = 291,084.99
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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.