Finding the Fourth Proportional to 147,027.40, 220,103.70 and 97,163.80
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Solution
The fourth proportional to 147,027.40, 220,103.70 and 97,163.80 is: 145,456.64
Step by Step Solution
- Step 1: Write the proportion equation
147,027.40 : 220,103.70 = 97,163.80 : x - Step 2: Convert to fraction form
147,027.40/220,103.70 = 97,163.80/x - Step 3: Cross multiply
147,027.40x = 220,103.70 × 97,163.80 - Step 4: Simplify right side
147,027.40x = 21,386,111,886.06 - Step 5: Solve for x
x = 21,386,111,886.06/147,027.40 - Step 6: Final answer
x = 145,456.64
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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.