Finding the Fourth Proportional to 164,351.08, 226,743.60 and 121,434.04
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Solution
The fourth proportional to 164,351.08, 226,743.60 and 121,434.04 is: 167,533.99
Step by Step Solution
- Step 1: Write the proportion equation
164,351.08 : 226,743.60 = 121,434.04 : x - Step 2: Convert to fraction form
164,351.08/226,743.60 = 121,434.04/x - Step 3: Cross multiply
164,351.08x = 226,743.60 × 121,434.04 - Step 4: Simplify right side
164,351.08x = 27,534,391,392.14 - Step 5: Solve for x
x = 27,534,391,392.14/164,351.08 - Step 6: Final answer
x = 167,533.99
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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.