Finding the Fourth Proportional to 150,302.44, 207,454.80 and 86,678.56
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Solution
The fourth proportional to 150,302.44, 207,454.80 and 86,678.56 is: 119,638.00
Step by Step Solution
- Step 1: Write the proportion equation
150,302.44 : 207,454.80 = 86,678.56 : x - Step 2: Convert to fraction form
150,302.44/207,454.80 = 86,678.56/x - Step 3: Cross multiply
150,302.44x = 207,454.80 × 86,678.56 - Step 4: Simplify right side
150,302.44x = 17,981,883,329.09 - Step 5: Solve for x
x = 17,981,883,329.09/150,302.44 - Step 6: Final answer
x = 119,638.00
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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.