Finding the Fourth Proportional to 146,367.68, 201,987.24 and 79,299.68
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Solution
The fourth proportional to 146,367.68, 201,987.24 and 79,299.68 is: 109,433.47
Step by Step Solution
- Step 1: Write the proportion equation
146,367.68 : 201,987.24 = 79,299.68 : x - Step 2: Convert to fraction form
146,367.68/201,987.24 = 79,299.68/x - Step 3: Cross multiply
146,367.68x = 201,987.24 × 79,299.68 - Step 4: Simplify right side
146,367.68x = 16,017,523,496.08 - Step 5: Solve for x
x = 16,017,523,496.08/146,367.68 - Step 6: Final answer
x = 109,433.47
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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.