Finding the Fourth Proportional to 317,031.84, 437,506.56 and 173,805.12
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Solution
The fourth proportional to 317,031.84, 437,506.56 and 173,805.12 is: 239,852.50
Step by Step Solution
- Step 1: Write the proportion equation
317,031.84 : 437,506.56 = 173,805.12 : x - Step 2: Convert to fraction form
317,031.84/437,506.56 = 173,805.12/x - Step 3: Cross multiply
317,031.84x = 437,506.56 × 173,805.12 - Step 4: Simplify right side
317,031.84x = 76,040,880,161.59 - Step 5: Solve for x
x = 76,040,880,161.59/317,031.84 - Step 6: Final answer
x = 239,852.50
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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.