Finding the Fourth Proportional to 180,351.44, 248,869.32 and 99,777.68
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Solution
The fourth proportional to 180,351.44, 248,869.32 and 99,777.68 is: 137,684.53
Step by Step Solution
- Step 1: Write the proportion equation
180,351.44 : 248,869.32 = 99,777.68 : x - Step 2: Convert to fraction form
180,351.44/248,869.32 = 99,777.68/x - Step 3: Cross multiply
180,351.44x = 248,869.32 × 99,777.68 - Step 4: Simplify right side
180,351.44x = 24,831,603,372.78 - Step 5: Solve for x
x = 24,831,603,372.78/180,351.44 - Step 6: Final answer
x = 137,684.53
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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.