Finding the Fourth Proportional to 290,353.41, 437,235.52 and 253,354.84
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Solution
The fourth proportional to 290,353.41, 437,235.52 and 253,354.84 is: 381,520.35
Step by Step Solution
- Step 1: Write the proportion equation
290,353.41 : 437,235.52 = 253,354.84 : x - Step 2: Convert to fraction form
290,353.41/437,235.52 = 253,354.84/x - Step 3: Cross multiply
290,353.41x = 437,235.52 × 253,354.84 - Step 4: Simplify right side
290,353.41x = 110,775,733,960.48 - Step 5: Solve for x
x = 110,775,733,960.48/290,353.41 - Step 6: Final answer
x = 381,520.35
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.