Finding the Fourth Proportional to 180,809.26, 271,114.53 and 143,607.58
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Solution
The fourth proportional to 180,809.26, 271,114.53 and 143,607.58 is: 215,332.45
Step by Step Solution
- Step 1: Write the proportion equation
180,809.26 : 271,114.53 = 143,607.58 : x - Step 2: Convert to fraction form
180,809.26/271,114.53 = 143,607.58/x - Step 3: Cross multiply
180,809.26x = 271,114.53 × 143,607.58 - Step 4: Simplify right side
180,809.26x = 38,934,101,556.14 - Step 5: Solve for x
x = 38,934,101,556.14/180,809.26 - Step 6: Final answer
x = 215,332.45
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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.