Finding the Fourth Proportional to 202,765.19, 279,850.68 and 117,931.46
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Solution
The fourth proportional to 202,765.19, 279,850.68 and 117,931.46 is: 162,765.60
Step by Step Solution
- Step 1: Write the proportion equation
202,765.19 : 279,850.68 = 117,931.46 : x - Step 2: Convert to fraction form
202,765.19/279,850.68 = 117,931.46/x - Step 3: Cross multiply
202,765.19x = 279,850.68 × 117,931.46 - Step 4: Simplify right side
202,765.19x = 33,003,197,875.14 - Step 5: Solve for x
x = 33,003,197,875.14/202,765.19 - Step 6: Final answer
x = 162,765.60
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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.