Finding the Fourth Proportional to 134,411.20, 201,616.80 and 119,636.80
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Solution
The fourth proportional to 134,411.20, 201,616.80 and 119,636.80 is: 179,455.20
Step by Step Solution
- Step 1: Write the proportion equation
134,411.20 : 201,616.80 = 119,636.80 : x - Step 2: Convert to fraction form
134,411.20/201,616.80 = 119,636.80/x - Step 3: Cross multiply
134,411.20x = 201,616.80 × 119,636.80 - Step 4: Simplify right side
134,411.20x = 24,120,788,778.24 - Step 5: Solve for x
x = 24,120,788,778.24/134,411.20 - Step 6: Final answer
x = 179,455.20
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1.5x scale
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.