Finding the Fourth Proportional to 169,905.36, 234,441.80 and 94,451.92
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Solution
The fourth proportional to 169,905.36, 234,441.80 and 94,451.92 is: 130,328.31
Step by Step Solution
- Step 1: Write the proportion equation
169,905.36 : 234,441.80 = 94,451.92 : x - Step 2: Convert to fraction form
169,905.36/234,441.80 = 94,451.92/x - Step 3: Cross multiply
169,905.36x = 234,441.80 × 94,451.92 - Step 4: Simplify right side
169,905.36x = 22,143,478,138.26 - Step 5: Solve for x
x = 22,143,478,138.26/169,905.36 - Step 6: Final answer
x = 130,328.31
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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.