Finding the Fourth Proportional to 121,392.99, 182,091.15 and 46,516.92
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Solution
The fourth proportional to 121,392.99, 182,091.15 and 46,516.92 is: 69,776.02
Step by Step Solution
- Step 1: Write the proportion equation
121,392.99 : 182,091.15 = 46,516.92 : x - Step 2: Convert to fraction form
121,392.99/182,091.15 = 46,516.92/x - Step 3: Cross multiply
121,392.99x = 182,091.15 × 46,516.92 - Step 4: Simplify right side
121,392.99x = 8,470,319,457.26 - Step 5: Solve for x
x = 8,470,319,457.26/121,392.99 - Step 6: Final answer
x = 69,776.02
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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.