Finding the Fourth Proportional to 216,070.19, 298,141.19 and 120,576.65
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Solution
The fourth proportional to 216,070.19, 298,141.19 and 120,576.65 is: 166,375.87
Step by Step Solution
- Step 1: Write the proportion equation
216,070.19 : 298,141.19 = 120,576.65 : x - Step 2: Convert to fraction form
216,070.19/298,141.19 = 120,576.65/x - Step 3: Cross multiply
216,070.19x = 298,141.19 × 120,576.65 - Step 4: Simplify right side
216,070.19x = 35,948,865,917.21 - Step 5: Solve for x
x = 35,948,865,917.21/216,070.19 - Step 6: Final answer
x = 166,375.87
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1.5x scale
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.