Finding the Fourth Proportional to 207,869.34, 311,663.90 and 167,937.45
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Solution
The fourth proportional to 207,869.34, 311,663.90 and 167,937.45 is: 251,792.99
Step by Step Solution
- Step 1: Write the proportion equation
207,869.34 : 311,663.90 = 167,937.45 : x - Step 2: Convert to fraction form
207,869.34/311,663.90 = 167,937.45/x - Step 3: Cross multiply
207,869.34x = 311,663.90 × 167,937.45 - Step 4: Simplify right side
207,869.34x = 52,340,041,627.27 - Step 5: Solve for x
x = 52,340,041,627.27/207,869.34 - Step 6: Final answer
x = 251,792.99
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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.