Finding the Fourth Proportional to 341,890.14, 512,857.09 and 131,528.08
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Solution
The fourth proportional to 341,890.14, 512,857.09 and 131,528.08 is: 197,300.54
Step by Step Solution
- Step 1: Write the proportion equation
341,890.14 : 512,857.09 = 131,528.08 : x - Step 2: Convert to fraction form
341,890.14/512,857.09 = 131,528.08/x - Step 3: Cross multiply
341,890.14x = 512,857.09 × 131,528.08 - Step 4: Simplify right side
341,890.14x = 67,455,108,362.09 - Step 5: Solve for x
x = 67,455,108,362.09/341,890.14 - Step 6: Final answer
x = 197,300.54
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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.