Finding the Fourth Proportional to 180,110.62, 248,551.50 and 99,542.80
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Solution
The fourth proportional to 180,110.62, 248,551.50 and 99,542.80 is: 137,368.43
Step by Step Solution
- Step 1: Write the proportion equation
180,110.62 : 248,551.50 = 99,542.80 : x - Step 2: Convert to fraction form
180,110.62/248,551.50 = 99,542.80/x - Step 3: Cross multiply
180,110.62x = 248,551.50 × 99,542.80 - Step 4: Simplify right side
180,110.62x = 24,741,512,254.20 - Step 5: Solve for x
x = 24,741,512,254.20/180,110.62 - Step 6: Final answer
x = 137,368.43
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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.