Finding the Fourth Proportional to 169,749.11, 234,258.81 and 93,272.96
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Solution
The fourth proportional to 169,749.11, 234,258.81 and 93,272.96 is: 128,719.45
Step by Step Solution
- Step 1: Write the proportion equation
169,749.11 : 234,258.81 = 93,272.96 : x - Step 2: Convert to fraction form
169,749.11/234,258.81 = 93,272.96/x - Step 3: Cross multiply
169,749.11x = 234,258.81 × 93,272.96 - Step 4: Simplify right side
169,749.11x = 21,850,012,614.78 - Step 5: Solve for x
x = 21,850,012,614.78/169,749.11 - Step 6: Final answer
x = 128,719.45
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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.