Finding the Fourth Proportional to 216,168.58, 298,226.91 and 144,434.98
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Solution
The fourth proportional to 216,168.58, 298,226.91 and 144,434.98 is: 199,262.99
Step by Step Solution
- Step 1: Write the proportion equation
216,168.58 : 298,226.91 = 144,434.98 : x - Step 2: Convert to fraction form
216,168.58/298,226.91 = 144,434.98/x - Step 3: Cross multiply
216,168.58x = 298,226.91 × 144,434.98 - Step 4: Simplify right side
216,168.58x = 43,074,397,781.31 - Step 5: Solve for x
x = 43,074,397,781.31/216,168.58 - Step 6: Final answer
x = 199,262.99
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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.