Finding the Fourth Proportional to 180,350.44, 248,867.94 and 99,776.68
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Solution
The fourth proportional to 180,350.44, 248,867.94 and 99,776.68 is: 137,683.15
Step by Step Solution
- Step 1: Write the proportion equation
180,350.44 : 248,867.94 = 99,776.68 : x - Step 2: Convert to fraction form
180,350.44/248,867.94 = 99,776.68/x - Step 3: Cross multiply
180,350.44x = 248,867.94 × 99,776.68 - Step 4: Simplify right side
180,350.44x = 24,831,216,811.64 - Step 5: Solve for x
x = 24,831,216,811.64/180,350.44 - Step 6: Final answer
x = 137,683.15
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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.