Finding the Fourth Proportional to 224,076.80, 336,115.20 and 190,251.20
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Solution
The fourth proportional to 224,076.80, 336,115.20 and 190,251.20 is: 285,376.80
Step by Step Solution
- Step 1: Write the proportion equation
224,076.80 : 336,115.20 = 190,251.20 : x - Step 2: Convert to fraction form
224,076.80/336,115.20 = 190,251.20/x - Step 3: Cross multiply
224,076.80x = 336,115.20 × 190,251.20 - Step 4: Simplify right side
224,076.80x = 63,946,320,138.24 - Step 5: Solve for x
x = 63,946,320,138.24/224,076.80 - Step 6: Final answer
x = 285,376.80
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1.5x scale
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.