Finding the Fourth Proportional to 216,531.24, 298,812.24 and 121,037.88
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Solution
The fourth proportional to 216,531.24, 298,812.24 and 121,037.88 is: 167,031.79
Step by Step Solution
- Step 1: Write the proportion equation
216,531.24 : 298,812.24 = 121,037.88 : x - Step 2: Convert to fraction form
216,531.24/298,812.24 = 121,037.88/x - Step 3: Cross multiply
216,531.24x = 298,812.24 × 121,037.88 - Step 4: Simplify right side
216,531.24x = 36,167,600,047.65 - Step 5: Solve for x
x = 36,167,600,047.65/216,531.24 - Step 6: Final answer
x = 167,031.79
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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.