Finding the Fourth Proportional to 108,660.20, 163,427.70 and 97,287.80
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Solution
The fourth proportional to 108,660.20, 163,427.70 and 97,287.80 is: 146,323.32
Step by Step Solution
- Step 1: Write the proportion equation
108,660.20 : 163,427.70 = 97,287.80 : x - Step 2: Convert to fraction form
108,660.20/163,427.70 = 97,287.80/x - Step 3: Cross multiply
108,660.20x = 163,427.70 × 97,287.80 - Step 4: Simplify right side
108,660.20x = 15,899,521,392.06 - Step 5: Solve for x
x = 15,899,521,392.06/108,660.20 - Step 6: Final answer
x = 146,323.32
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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.