Finding the Fourth Proportional to 318,336.84, 439,311.84 and 175,104.12
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Solution
The fourth proportional to 318,336.84, 439,311.84 and 175,104.12 is: 241,647.54
Step by Step Solution
- Step 1: Write the proportion equation
318,336.84 : 439,311.84 = 175,104.12 : x - Step 2: Convert to fraction form
318,336.84/439,311.84 = 175,104.12/x - Step 3: Cross multiply
318,336.84x = 439,311.84 × 175,104.12 - Step 4: Simplify right side
318,336.84x = 76,925,313,148.78 - Step 5: Solve for x
x = 76,925,313,148.78/318,336.84 - Step 6: Final answer
x = 241,647.54
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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.