Finding the Fourth Proportional to 119,278.78, 164,608.28 and 68,308.01
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Solution
The fourth proportional to 119,278.78, 164,608.28 and 68,308.01 is: 94,267.09
Step by Step Solution
- Step 1: Write the proportion equation
119,278.78 : 164,608.28 = 68,308.01 : x - Step 2: Convert to fraction form
119,278.78/164,608.28 = 68,308.01/x - Step 3: Cross multiply
119,278.78x = 164,608.28 × 68,308.01 - Step 4: Simplify right side
119,278.78x = 11,244,063,553.06 - Step 5: Solve for x
x = 11,244,063,553.06/119,278.78 - Step 6: Final answer
x = 94,267.09
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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.