Finding the Fourth Proportional to 239,246.12, 358,530.64 and 132,676.94
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Solution
The fourth proportional to 239,246.12, 358,530.64 and 132,676.94 is: 198,827.67
Step by Step Solution
- Step 1: Write the proportion equation
239,246.12 : 358,530.64 = 132,676.94 : x - Step 2: Convert to fraction form
239,246.12/358,530.64 = 132,676.94/x - Step 3: Cross multiply
239,246.12x = 358,530.64 × 132,676.94 - Step 4: Simplify right side
239,246.12x = 47,568,748,776.08 - Step 5: Solve for x
x = 47,568,748,776.08/239,246.12 - Step 6: Final answer
x = 198,827.67
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1.5x scale
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.