Finding the Fourth Proportional to 318,396.57, 439,369.94 and 175,133.49
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Solution
The fourth proportional to 318,396.57, 439,369.94 and 175,133.49 is: 241,674.68
Step by Step Solution
- Step 1: Write the proportion equation
318,396.57 : 439,369.94 = 175,133.49 : x - Step 2: Convert to fraction form
318,396.57/439,369.94 = 175,133.49/x - Step 3: Cross multiply
318,396.57x = 439,369.94 × 175,133.49 - Step 4: Simplify right side
318,396.57x = 76,948,390,117.62 - Step 5: Solve for x
x = 76,948,390,117.62/318,396.57 - Step 6: Final answer
x = 241,674.68
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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.