Finding the Fourth Proportional to 318,311.02, 439,266.91 and 175,067.99
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Solution
The fourth proportional to 318,311.02, 439,266.91 and 175,067.99 is: 241,592.56
Step by Step Solution
- Step 1: Write the proportion equation
318,311.02 : 439,266.91 = 175,067.99 : x - Step 2: Convert to fraction form
318,311.02/439,266.91 = 175,067.99/x - Step 3: Cross multiply
318,311.02x = 439,266.91 × 175,067.99 - Step 4: Simplify right side
318,311.02x = 76,901,575,007.21 - Step 5: Solve for x
x = 76,901,575,007.21/318,311.02 - Step 6: Final answer
x = 241,592.56
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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.