Finding the Fourth Proportional to 160,857.50, 221,989.28 and 97,182.99
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Solution
The fourth proportional to 160,857.50, 221,989.28 and 97,182.99 is: 134,116.11
Step by Step Solution
- Step 1: Write the proportion equation
160,857.50 : 221,989.28 = 97,182.99 : x - Step 2: Convert to fraction form
160,857.50/221,989.28 = 97,182.99/x - Step 3: Cross multiply
160,857.50x = 221,989.28 × 97,182.99 - Step 4: Simplify right side
160,857.50x = 21,573,581,492.43 - Step 5: Solve for x
x = 21,573,581,492.43/160,857.50 - Step 6: Final answer
x = 134,116.11
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.