Finding the Fourth Proportional to 134,467.20, 201,700.80 and 134,467.20
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Solution
The fourth proportional to 134,467.20, 201,700.80 and 134,467.20 is: 201,700.80
Step by Step Solution
- Step 1: Write the proportion equation
134,467.20 : 201,700.80 = 134,467.20 : x - Step 2: Convert to fraction form
134,467.20/201,700.80 = 134,467.20/x - Step 3: Cross multiply
134,467.20x = 201,700.80 × 134,467.20 - Step 4: Simplify right side
134,467.20x = 27,122,141,813.76 - Step 5: Solve for x
x = 27,122,141,813.76/134,467.20 - Step 6: Final answer
x = 201,700.80
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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.