Finding the Fourth Proportional to 180,241.99, 248,738.20 and 99,671.09
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Solution
The fourth proportional to 180,241.99, 248,738.20 and 99,671.09 is: 137,548.45
Step by Step Solution
- Step 1: Write the proportion equation
180,241.99 : 248,738.20 = 99,671.09 : x - Step 2: Convert to fraction form
180,241.99/248,738.20 = 99,671.09/x - Step 3: Cross multiply
180,241.99x = 248,738.20 × 99,671.09 - Step 4: Simplify right side
180,241.99x = 24,792,006,025.77 - Step 5: Solve for x
x = 24,792,006,025.77/180,241.99 - Step 6: Final answer
x = 137,548.45
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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.