Finding the Fourth Proportional to 299,732.74, 413,626.29 and 163,763.75
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Solution
The fourth proportional to 299,732.74, 413,626.29 and 163,763.75 is: 225,991.31
Step by Step Solution
- Step 1: Write the proportion equation
299,732.74 : 413,626.29 = 163,763.75 : x - Step 2: Convert to fraction form
299,732.74/413,626.29 = 163,763.75/x - Step 3: Cross multiply
299,732.74x = 413,626.29 × 163,763.75 - Step 4: Simplify right side
299,732.74x = 67,736,992,348.99 - Step 5: Solve for x
x = 67,736,992,348.99/299,732.74 - Step 6: Final answer
x = 225,991.31
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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.