Finding the Fourth Proportional to 180,892.76, 271,239.76 and 143,691.08
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Solution
The fourth proportional to 180,892.76, 271,239.76 and 143,691.08 is: 215,457.68
Step by Step Solution
- Step 1: Write the proportion equation
180,892.76 : 271,239.76 = 143,691.08 : x - Step 2: Convert to fraction form
180,892.76/271,239.76 = 143,691.08/x - Step 3: Cross multiply
180,892.76x = 271,239.76 × 143,691.08 - Step 4: Simplify right side
180,892.76x = 38,974,734,053.34 - Step 5: Solve for x
x = 38,974,734,053.34/180,892.76 - Step 6: Final answer
x = 215,457.68
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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.