Finding the Fourth Proportional to 213,235.23, 294,258.94 and 117,739.87
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Solution
The fourth proportional to 213,235.23, 294,258.94 and 117,739.87 is: 162,477.89
Step by Step Solution
- Step 1: Write the proportion equation
213,235.23 : 294,258.94 = 117,739.87 : x - Step 2: Convert to fraction form
213,235.23/294,258.94 = 117,739.87/x - Step 3: Cross multiply
213,235.23x = 294,258.94 × 117,739.87 - Step 4: Simplify right side
213,235.23x = 34,646,009,341.94 - Step 5: Solve for x
x = 34,646,009,341.94/213,235.23 - Step 6: Final answer
x = 162,477.89
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1.5x scale
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.