Finding the Fourth Proportional to 341,534.91, 512,326.95 and 131,172.84
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Solution
The fourth proportional to 341,534.91, 512,326.95 and 131,172.84 is: 196,768.70
Step by Step Solution
- Step 1: Write the proportion equation
341,534.91 : 512,326.95 = 131,172.84 : x - Step 2: Convert to fraction form
341,534.91/512,326.95 = 131,172.84/x - Step 3: Cross multiply
341,534.91x = 512,326.95 × 131,172.84 - Step 4: Simplify right side
341,534.91x = 67,203,381,040.04 - Step 5: Solve for x
x = 67,203,381,040.04/341,534.91 - Step 6: Final answer
x = 196,768.70
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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.