Finding the Fourth Proportional to 216,103.08, 298,239.12 and 120,624.09
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Solution
The fourth proportional to 216,103.08, 298,239.12 and 120,624.09 is: 166,470.66
Step by Step Solution
- Step 1: Write the proportion equation
216,103.08 : 298,239.12 = 120,624.09 : x - Step 2: Convert to fraction form
216,103.08/298,239.12 = 120,624.09/x - Step 3: Cross multiply
216,103.08x = 298,239.12 × 120,624.09 - Step 4: Simplify right side
216,103.08x = 35,974,822,452.40 - Step 5: Solve for x
x = 35,974,822,452.40/216,103.08 - Step 6: Final answer
x = 166,470.66
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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.