Finding the Fourth Proportional to 210,204.97, 290,089.02 and 114,717.82
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Solution
The fourth proportional to 210,204.97, 290,089.02 and 114,717.82 is: 158,313.95
Step by Step Solution
- Step 1: Write the proportion equation
210,204.97 : 290,089.02 = 114,717.82 : x - Step 2: Convert to fraction form
210,204.97/290,089.02 = 114,717.82/x - Step 3: Cross multiply
210,204.97x = 290,089.02 × 114,717.82 - Step 4: Simplify right side
210,204.97x = 33,278,379,980.34 - Step 5: Solve for x
x = 33,278,379,980.34/210,204.97 - Step 6: Final answer
x = 158,313.95
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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.