Finding the Fourth Proportional to 126,449.58, 174,502.26 and 69,862.26
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Solution
The fourth proportional to 126,449.58, 174,502.26 and 69,862.26 is: 96,410.94
Step by Step Solution
- Step 1: Write the proportion equation
126,449.58 : 174,502.26 = 69,862.26 : x - Step 2: Convert to fraction form
126,449.58/174,502.26 = 69,862.26/x - Step 3: Cross multiply
126,449.58x = 174,502.26 × 69,862.26 - Step 4: Simplify right side
126,449.58x = 12,191,122,258.71 - Step 5: Solve for x
x = 12,191,122,258.71/126,449.58 - Step 6: Final answer
x = 96,410.94
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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.