Finding the Fourth Proportional to 251,548.99, 347,145.39 and 136,835.98
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Solution
The fourth proportional to 251,548.99, 347,145.39 and 136,835.98 is: 188,837.89
Step by Step Solution
- Step 1: Write the proportion equation
251,548.99 : 347,145.39 = 136,835.98 : x - Step 2: Convert to fraction form
251,548.99/347,145.39 = 136,835.98/x - Step 3: Cross multiply
251,548.99x = 347,145.39 × 136,835.98 - Step 4: Simplify right side
251,548.99x = 47,501,978,775.27 - Step 5: Solve for x
x = 47,501,978,775.27/251,548.99 - Step 6: Final answer
x = 188,837.89
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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.