Finding the Fourth Proportional to 163,934.80, 245,902.20 and 51,629.20
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Solution
The fourth proportional to 163,934.80, 245,902.20 and 51,629.20 is: 77,443.80
Step by Step Solution
- Step 1: Write the proportion equation
163,934.80 : 245,902.20 = 51,629.20 : x - Step 2: Convert to fraction form
163,934.80/245,902.20 = 51,629.20/x - Step 3: Cross multiply
163,934.80x = 245,902.20 × 51,629.20 - Step 4: Simplify right side
163,934.80x = 12,695,733,864.24 - Step 5: Solve for x
x = 12,695,733,864.24/163,934.80 - Step 6: Final answer
x = 77,443.80
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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.