Finding the Fourth Proportional to 341,837.70, 512,602.95 and 131,405.70
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Solution
The fourth proportional to 341,837.70, 512,602.95 and 131,405.70 is: 197,049.50
Step by Step Solution
- Step 1: Write the proportion equation
341,837.70 : 512,602.95 = 131,405.70 : x - Step 2: Convert to fraction form
341,837.70/512,602.95 = 131,405.70/x - Step 3: Cross multiply
341,837.70x = 512,602.95 × 131,405.70 - Step 4: Simplify right side
341,837.70x = 67,358,949,466.82 - Step 5: Solve for x
x = 67,358,949,466.82/341,837.70 - Step 6: Final answer
x = 197,049.50
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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.