Finding the Fourth Proportional to 318,336.91, 439,295.68 and 175,096.92
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Solution
The fourth proportional to 318,336.91, 439,295.68 and 175,096.92 is: 241,628.66
Step by Step Solution
- Step 1: Write the proportion equation
318,336.91 : 439,295.68 = 175,096.92 : x - Step 2: Convert to fraction form
318,336.91/439,295.68 = 175,096.92/x - Step 3: Cross multiply
318,336.91x = 439,295.68 × 175,096.92 - Step 4: Simplify right side
318,336.91x = 76,919,320,537.31 - Step 5: Solve for x
x = 76,919,320,537.31/318,336.91 - Step 6: Final answer
x = 241,628.66
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1.5x scale
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.