Finding the Fourth Proportional to 126,261.25, 174,263.06 and 75,277.28
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Solution
The fourth proportional to 126,261.25, 174,263.06 and 75,277.28 is: 103,896.09
Step by Step Solution
- Step 1: Write the proportion equation
126,261.25 : 174,263.06 = 75,277.28 : x - Step 2: Convert to fraction form
126,261.25/174,263.06 = 75,277.28/x - Step 3: Cross multiply
126,261.25x = 174,263.06 × 75,277.28 - Step 4: Simplify right side
126,261.25x = 13,118,049,785.13 - Step 5: Solve for x
x = 13,118,049,785.13/126,261.25 - Step 6: Final answer
x = 103,896.09
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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.