Finding the Fourth Proportional to 145,958.46, 201,418.65 and 82,295.70
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Solution
The fourth proportional to 145,958.46, 201,418.65 and 82,295.70 is: 113,565.80
Step by Step Solution
- Step 1: Write the proportion equation
145,958.46 : 201,418.65 = 82,295.70 : x - Step 2: Convert to fraction form
145,958.46/201,418.65 = 82,295.70/x - Step 3: Cross multiply
145,958.46x = 201,418.65 × 82,295.70 - Step 4: Simplify right side
145,958.46x = 16,575,888,794.81 - Step 5: Solve for x
x = 16,575,888,794.81/145,958.46 - Step 6: Final answer
x = 113,565.80
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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.