Finding the Fourth Proportional to 210,554.43, 290,616.87 and 176,508.99
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Solution
The fourth proportional to 210,554.43, 290,616.87 and 176,508.99 is: 243,625.79
Step by Step Solution
- Step 1: Write the proportion equation
210,554.43 : 290,616.87 = 176,508.99 : x - Step 2: Convert to fraction form
210,554.43/290,616.87 = 176,508.99/x - Step 3: Cross multiply
210,554.43x = 290,616.87 × 176,508.99 - Step 4: Simplify right side
210,554.43x = 51,296,490,200.66 - Step 5: Solve for x
x = 51,296,490,200.66/210,554.43 - Step 6: Final answer
x = 243,625.79
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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.