Finding the Fourth Proportional to 180,130.43, 248,592.87 and 99,556.21
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Solution
The fourth proportional to 180,130.43, 248,592.87 and 99,556.21 is: 137,394.69
Step by Step Solution
- Step 1: Write the proportion equation
180,130.43 : 248,592.87 = 99,556.21 : x - Step 2: Convert to fraction form
180,130.43/248,592.87 = 99,556.21/x - Step 3: Cross multiply
180,130.43x = 248,592.87 × 99,556.21 - Step 4: Simplify right side
180,130.43x = 24,748,965,260.13 - Step 5: Solve for x
x = 24,748,965,260.13/180,130.43 - Step 6: Final answer
x = 137,394.69
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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.