Finding the Fourth Proportional to 163,602.30, 245,534.69 and 84,739.08
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Solution
The fourth proportional to 163,602.30, 245,534.69 and 84,739.08 is: 127,176.60
Step by Step Solution
- Step 1: Write the proportion equation
163,602.30 : 245,534.69 = 84,739.08 : x - Step 2: Convert to fraction form
163,602.30/245,534.69 = 84,739.08/x - Step 3: Cross multiply
163,602.30x = 245,534.69 × 84,739.08 - Step 4: Simplify right side
163,602.30x = 20,806,383,738.69 - Step 5: Solve for x
x = 20,806,383,738.69/163,602.30 - Step 6: Final answer
x = 127,176.60
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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.