Finding the Fourth Proportional to 211,603.56, 292,021.04 and 120,959.68
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Solution
The fourth proportional to 211,603.56, 292,021.04 and 120,959.68 is: 166,929.00
Step by Step Solution
- Step 1: Write the proportion equation
211,603.56 : 292,021.04 = 120,959.68 : x - Step 2: Convert to fraction form
211,603.56/292,021.04 = 120,959.68/x - Step 3: Cross multiply
211,603.56x = 292,021.04 × 120,959.68 - Step 4: Simplify right side
211,603.56x = 35,322,771,551.67 - Step 5: Solve for x
x = 35,322,771,551.67/211,603.56 - Step 6: Final answer
x = 166,929.00
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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.