Finding the Fourth Proportional to 302,609.58, 417,623.42 and 216,576.64
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Solution
The fourth proportional to 302,609.58, 417,623.42 and 216,576.64 is: 298,891.65
Step by Step Solution
- Step 1: Write the proportion equation
302,609.58 : 417,623.42 = 216,576.64 : x - Step 2: Convert to fraction form
302,609.58/417,623.42 = 216,576.64/x - Step 3: Cross multiply
302,609.58x = 417,623.42 × 216,576.64 - Step 4: Simplify right side
302,609.58x = 90,447,477,088.91 - Step 5: Solve for x
x = 90,447,477,088.91/302,609.58 - Step 6: Final answer
x = 298,891.65
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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.