Finding the Fourth Proportional to 341,368.11, 512,118.23 and 130,989.69
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Solution
The fourth proportional to 341,368.11, 512,118.23 and 130,989.69 is: 196,509.88
Step by Step Solution
- Step 1: Write the proportion equation
341,368.11 : 512,118.23 = 130,989.69 : x - Step 2: Convert to fraction form
341,368.11/512,118.23 = 130,989.69/x - Step 3: Cross multiply
341,368.11x = 512,118.23 × 130,989.69 - Step 4: Simplify right side
341,368.11x = 67,082,207,536.10 - Step 5: Solve for x
x = 67,082,207,536.10/341,368.11 - Step 6: Final answer
x = 196,509.88
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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.