Finding the Fourth Proportional to 180,322.99, 248,845.69 and 98,651.90
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Solution
The fourth proportional to 180,322.99, 248,845.69 and 98,651.90 is: 136,139.60
Step by Step Solution
- Step 1: Write the proportion equation
180,322.99 : 248,845.69 = 98,651.90 : x - Step 2: Convert to fraction form
180,322.99/248,845.69 = 98,651.90/x - Step 3: Cross multiply
180,322.99x = 248,845.69 × 98,651.90 - Step 4: Simplify right side
180,322.99x = 24,549,100,125.31 - Step 5: Solve for x
x = 24,549,100,125.31/180,322.99 - Step 6: Final answer
x = 136,139.60
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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.