Finding the Fourth Proportional to 341,548.36, 512,347.14 and 131,186.26
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Solution
The fourth proportional to 341,548.36, 512,347.14 and 131,186.26 is: 196,788.84
Step by Step Solution
- Step 1: Write the proportion equation
341,548.36 : 512,347.14 = 131,186.26 : x - Step 2: Convert to fraction form
341,548.36/512,347.14 = 131,186.26/x - Step 3: Cross multiply
341,548.36x = 512,347.14 × 131,186.26 - Step 4: Simplify right side
341,548.36x = 67,212,905,118.30 - Step 5: Solve for x
x = 67,212,905,118.30/341,548.36 - Step 6: Final answer
x = 196,788.84
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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.