Finding the Fourth Proportional to 317,220.84, 437,765.04 and 173,983.68
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Solution
The fourth proportional to 317,220.84, 437,765.04 and 173,983.68 is: 240,097.63
Step by Step Solution
- Step 1: Write the proportion equation
317,220.84 : 437,765.04 = 173,983.68 : x - Step 2: Convert to fraction form
317,220.84/437,765.04 = 173,983.68/x - Step 3: Cross multiply
317,220.84x = 437,765.04 × 173,983.68 - Step 4: Simplify right side
317,220.84x = 76,163,972,634.55 - Step 5: Solve for x
x = 76,163,972,634.55/317,220.84 - Step 6: Final answer
x = 240,097.63
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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.