Finding the Fourth Proportional to 143,208.44, 214,784.99 and 136,095.91
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Solution
The fourth proportional to 143,208.44, 214,784.99 and 136,095.91 is: 204,117.56
Step by Step Solution
- Step 1: Write the proportion equation
143,208.44 : 214,784.99 = 136,095.91 : x - Step 2: Convert to fraction form
143,208.44/214,784.99 = 136,095.91/x - Step 3: Cross multiply
143,208.44x = 214,784.99 × 136,095.91 - Step 4: Simplify right side
143,208.44x = 29,231,357,450.95 - Step 5: Solve for x
x = 29,231,357,450.95/143,208.44 - Step 6: Final answer
x = 204,117.56
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.