Finding the Fourth Proportional to 145,913.30, 201,360.67 and 82,251.08
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Solution
The fourth proportional to 145,913.30, 201,360.67 and 82,251.08 is: 113,506.67
Step by Step Solution
- Step 1: Write the proportion equation
145,913.30 : 201,360.67 = 82,251.08 : x - Step 2: Convert to fraction form
145,913.30/201,360.67 = 82,251.08/x - Step 3: Cross multiply
145,913.30x = 201,360.67 × 82,251.08 - Step 4: Simplify right side
145,913.30x = 16,562,132,119.70 - Step 5: Solve for x
x = 16,562,132,119.70/145,913.30 - Step 6: Final answer
x = 113,506.67
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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.