Finding the Fourth Proportional to 180,185.28, 248,392.08 and 126,307.68
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Solution
The fourth proportional to 180,185.28, 248,392.08 and 126,307.68 is: 174,119.81
Step by Step Solution
- Step 1: Write the proportion equation
180,185.28 : 248,392.08 = 126,307.68 : x - Step 2: Convert to fraction form
180,185.28/248,392.08 = 126,307.68/x - Step 3: Cross multiply
180,185.28x = 248,392.08 × 126,307.68 - Step 4: Simplify right side
180,185.28x = 31,373,827,355.17 - Step 5: Solve for x
x = 31,373,827,355.17/180,185.28 - Step 6: Final answer
x = 174,119.81
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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.