Finding the Fourth Proportional to 318,296.37, 439,251.93 and 173,103.53
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Solution
The fourth proportional to 318,296.37, 439,251.93 and 173,103.53 is: 238,884.46
Step by Step Solution
- Step 1: Write the proportion equation
318,296.37 : 439,251.93 = 173,103.53 : x - Step 2: Convert to fraction form
318,296.37/439,251.93 = 173,103.53/x - Step 3: Cross multiply
318,296.37x = 439,251.93 × 173,103.53 - Step 4: Simplify right side
318,296.37x = 76,036,057,446.05 - Step 5: Solve for x
x = 76,036,057,446.05/318,296.37 - Step 6: Final answer
x = 238,884.46
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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.