Finding the Fourth Proportional to 180,849.60, 271,167.84 and 74,201.76
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Solution
The fourth proportional to 180,849.60, 271,167.84 and 74,201.76 is: 111,258.92
Step by Step Solution
- Step 1: Write the proportion equation
180,849.60 : 271,167.84 = 74,201.76 : x - Step 2: Convert to fraction form
180,849.60/271,167.84 = 74,201.76/x - Step 3: Cross multiply
180,849.60x = 271,167.84 × 74,201.76 - Step 4: Simplify right side
180,849.60x = 20,121,130,983.40 - Step 5: Solve for x
x = 20,121,130,983.40/180,849.60 - Step 6: Final answer
x = 111,258.92
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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.