Finding the Fourth Proportional to 180,033.06, 270,219.09 and 91,350.21
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Solution
The fourth proportional to 180,033.06, 270,219.09 and 91,350.21 is: 137,111.32
Step by Step Solution
- Step 1: Write the proportion equation
180,033.06 : 270,219.09 = 91,350.21 : x - Step 2: Convert to fraction form
180,033.06/270,219.09 = 91,350.21/x - Step 3: Cross multiply
180,033.06x = 270,219.09 × 91,350.21 - Step 4: Simplify right side
180,033.06x = 24,684,570,617.51 - Step 5: Solve for x
x = 24,684,570,617.51/180,033.06 - Step 6: Final answer
x = 137,111.32
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.