Finding the Fourth Proportional to 180,400.68, 270,366.75 and 73,659.69
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Solution
The fourth proportional to 180,400.68, 270,366.75 and 73,659.69 is: 110,393.88
Step by Step Solution
- Step 1: Write the proportion equation
180,400.68 : 270,366.75 = 73,659.69 : x - Step 2: Convert to fraction form
180,400.68/270,366.75 = 73,659.69/x - Step 3: Cross multiply
180,400.68x = 270,366.75 × 73,659.69 - Step 4: Simplify right side
180,400.68x = 19,915,130,991.31 - Step 5: Solve for x
x = 19,915,130,991.31/180,400.68 - Step 6: Final answer
x = 110,393.88
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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.