Finding the Fourth Proportional to 211,995.66, 292,553.06 and 121,351.12
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Solution
The fourth proportional to 211,995.66, 292,553.06 and 121,351.12 is: 167,464.00
Step by Step Solution
- Step 1: Write the proportion equation
211,995.66 : 292,553.06 = 121,351.12 : x - Step 2: Convert to fraction form
211,995.66/292,553.06 = 121,351.12/x - Step 3: Cross multiply
211,995.66x = 292,553.06 × 121,351.12 - Step 4: Simplify right side
211,995.66x = 35,501,641,490.43 - Step 5: Solve for x
x = 35,501,641,490.43/211,995.66 - Step 6: Final answer
x = 167,464.00
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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.