Finding the Fourth Proportional to 280,548.60, 420,673.32 and 122,592.12
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Solution
The fourth proportional to 280,548.60, 420,673.32 and 122,592.12 is: 183,822.82
Step by Step Solution
- Step 1: Write the proportion equation
280,548.60 : 420,673.32 = 122,592.12 : x - Step 2: Convert to fraction form
280,548.60/420,673.32 = 122,592.12/x - Step 3: Cross multiply
280,548.60x = 420,673.32 × 122,592.12 - Step 4: Simplify right side
280,548.60x = 51,571,234,126.24 - Step 5: Solve for x
x = 51,571,234,126.24/280,548.60 - Step 6: Final answer
x = 183,822.82
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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.