Finding the Fourth Proportional to 236,816.06, 355,364.19 and 87,161.46
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Solution
The fourth proportional to 236,816.06, 355,364.19 and 87,161.46 is: 130,793.75
Step by Step Solution
- Step 1: Write the proportion equation
236,816.06 : 355,364.19 = 87,161.46 : x - Step 2: Convert to fraction form
236,816.06/355,364.19 = 87,161.46/x - Step 3: Cross multiply
236,816.06x = 355,364.19 × 87,161.46 - Step 4: Simplify right side
236,816.06x = 30,974,061,632.12 - Step 5: Solve for x
x = 30,974,061,632.12/236,816.06 - Step 6: Final answer
x = 130,793.75
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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.