Finding the Fourth Proportional to 292,939.09, 439,405.52 and 222,295.57
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Solution
The fourth proportional to 292,939.09, 439,405.52 and 222,295.57 is: 333,440.99
Step by Step Solution
- Step 1: Write the proportion equation
292,939.09 : 439,405.52 = 222,295.57 : x - Step 2: Convert to fraction form
292,939.09/439,405.52 = 222,295.57/x - Step 3: Cross multiply
292,939.09x = 439,405.52 × 222,295.57 - Step 4: Simplify right side
292,939.09x = 97,677,898,319.55 - Step 5: Solve for x
x = 97,677,898,319.55/292,939.09 - Step 6: Final answer
x = 333,440.99
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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.