Finding the Fourth Proportional to 263,518.08, 363,653.30 and 142,658.49
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Solution
The fourth proportional to 263,518.08, 363,653.30 and 142,658.49 is: 196,867.82
Step by Step Solution
- Step 1: Write the proportion equation
263,518.08 : 363,653.30 = 142,658.49 : x - Step 2: Convert to fraction form
263,518.08/363,653.30 = 142,658.49/x - Step 3: Cross multiply
263,518.08x = 363,653.30 × 142,658.49 - Step 4: Simplify right side
263,518.08x = 51,878,229,948.22 - Step 5: Solve for x
x = 51,878,229,948.22/263,518.08 - Step 6: Final answer
x = 196,867.82
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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.