Finding the Fourth Proportional to 134,446.40, 201,669.60 and 87,444.80
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Solution
The fourth proportional to 134,446.40, 201,669.60 and 87,444.80 is: 131,167.20
Step by Step Solution
- Step 1: Write the proportion equation
134,446.40 : 201,669.60 = 87,444.80 : x - Step 2: Convert to fraction form
134,446.40/201,669.60 = 87,444.80/x - Step 3: Cross multiply
134,446.40x = 201,669.60 × 87,444.80 - Step 4: Simplify right side
134,446.40x = 17,634,957,838.08 - Step 5: Solve for x
x = 17,634,957,838.08/134,446.40 - Step 6: Final answer
x = 131,167.20
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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.