Finding the Fourth Proportional to 292,393.80, 437,618.70 and 212,203.80
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Solution
The fourth proportional to 292,393.80, 437,618.70 and 212,203.80 is: 317,600.27
Step by Step Solution
- Step 1: Write the proportion equation
292,393.80 : 437,618.70 = 212,203.80 : x - Step 2: Convert to fraction form
292,393.80/437,618.70 = 212,203.80/x - Step 3: Cross multiply
292,393.80x = 437,618.70 × 212,203.80 - Step 4: Simplify right side
292,393.80x = 92,864,351,091.06 - Step 5: Solve for x
x = 92,864,351,091.06/292,393.80 - Step 6: Final answer
x = 317,600.27
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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.