Finding the Fourth Proportional to 243,158.99, 363,991.10 and 207,286.71
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Solution
The fourth proportional to 243,158.99, 363,991.10 and 207,286.71 is: 310,292.94
Step by Step Solution
- Step 1: Write the proportion equation
243,158.99 : 363,991.10 = 207,286.71 : x - Step 2: Convert to fraction form
243,158.99/363,991.10 = 207,286.71/x - Step 3: Cross multiply
243,158.99x = 363,991.10 × 207,286.71 - Step 4: Simplify right side
243,158.99x = 75,450,516,551.85 - Step 5: Solve for x
x = 75,450,516,551.85/243,158.99 - Step 6: Final answer
x = 310,292.94
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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.