Finding the Fourth Proportional to 291,235.63, 436,883.25 and 111,472.09
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Solution
The fourth proportional to 291,235.63, 436,883.25 and 111,472.09 is: 167,219.54
Step by Step Solution
- Step 1: Write the proportion equation
291,235.63 : 436,883.25 = 111,472.09 : x - Step 2: Convert to fraction form
291,235.63/436,883.25 = 111,472.09/x - Step 3: Cross multiply
291,235.63x = 436,883.25 × 111,472.09 - Step 4: Simplify right side
291,235.63x = 48,700,286,734.39 - Step 5: Solve for x
x = 48,700,286,734.39/291,235.63 - Step 6: Final answer
x = 167,219.54
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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.