Finding the Fourth Proportional to 318,518.44, 439,544.42 and 175,265.08
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Solution
The fourth proportional to 318,518.44, 439,544.42 and 175,265.08 is: 241,859.74
Step by Step Solution
- Step 1: Write the proportion equation
318,518.44 : 439,544.42 = 175,265.08 : x - Step 2: Convert to fraction form
318,518.44/439,544.42 = 175,265.08/x - Step 3: Cross multiply
318,518.44x = 439,544.42 × 175,265.08 - Step 4: Simplify right side
318,518.44x = 77,036,787,934.85 - Step 5: Solve for x
x = 77,036,787,934.85/318,518.44 - Step 6: Final answer
x = 241,859.74
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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.