Finding the Fourth Proportional to 246,174.18, 339,739.02 and 138,754.32
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Solution
The fourth proportional to 246,174.18, 339,739.02 and 138,754.32 is: 191,491.47
Step by Step Solution
- Step 1: Write the proportion equation
246,174.18 : 339,739.02 = 138,754.32 : x - Step 2: Convert to fraction form
246,174.18/339,739.02 = 138,754.32/x - Step 3: Cross multiply
246,174.18x = 339,739.02 × 138,754.32 - Step 4: Simplify right side
246,174.18x = 47,140,256,697.57 - Step 5: Solve for x
x = 47,140,256,697.57/246,174.18 - Step 6: Final answer
x = 191,491.47
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.