Finding the Fourth Proportional to 86,602.21, 129,888.68 and 24,258.37
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Solution
The fourth proportional to 86,602.21, 129,888.68 and 24,258.37 is: 36,383.45
Step by Step Solution
- Step 1: Write the proportion equation
86,602.21 : 129,888.68 = 24,258.37 : x - Step 2: Convert to fraction form
86,602.21/129,888.68 = 24,258.37/x - Step 3: Cross multiply
86,602.21x = 129,888.68 × 24,258.37 - Step 4: Simplify right side
86,602.21x = 3,150,887,536.96 - Step 5: Solve for x
x = 3,150,887,536.96/86,602.21 - Step 6: Final answer
x = 36,383.45
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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.