Finding the Fourth Proportional to 512,370.06, 768,583.12 and 212,880.92
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Solution
The fourth proportional to 512,370.06, 768,583.12 and 212,880.92 is: 319,333.03
Step by Step Solution
- Step 1: Write the proportion equation
512,370.06 : 768,583.12 = 212,880.92 : x - Step 2: Convert to fraction form
512,370.06/768,583.12 = 212,880.92/x - Step 3: Cross multiply
512,370.06x = 768,583.12 × 212,880.92 - Step 4: Simplify right side
512,370.06x = 163,616,681,682.07 - Step 5: Solve for x
x = 163,616,681,682.07/512,370.06 - Step 6: Final answer
x = 319,333.03
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.