Finding the Fourth Proportional to 150,529.38, 207,728.84 and 86,865.81
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Solution
The fourth proportional to 150,529.38, 207,728.84 and 86,865.81 is: 119,873.83
Step by Step Solution
- Step 1: Write the proportion equation
150,529.38 : 207,728.84 = 86,865.81 : x - Step 2: Convert to fraction form
150,529.38/207,728.84 = 86,865.81/x - Step 3: Cross multiply
150,529.38x = 207,728.84 × 86,865.81 - Step 4: Simplify right side
150,529.38x = 18,044,533,512.63 - Step 5: Solve for x
x = 18,044,533,512.63/150,529.38 - Step 6: Final answer
x = 119,873.83
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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.