Finding the Fourth Proportional to 125,222.99, 187,832.48 and 39,832.64
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Solution
The fourth proportional to 125,222.99, 187,832.48 and 39,832.64 is: 59,748.32
Step by Step Solution
- Step 1: Write the proportion equation
125,222.99 : 187,832.48 = 39,832.64 : x - Step 2: Convert to fraction form
125,222.99/187,832.48 = 39,832.64/x - Step 3: Cross multiply
125,222.99x = 187,832.48 × 39,832.64 - Step 4: Simplify right side
125,222.99x = 7,481,862,417.82 - Step 5: Solve for x
x = 7,481,862,417.82/125,222.99 - Step 6: Final answer
x = 59,748.32
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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.