Finding the Fourth Proportional to 438,022.06, 656,932.65 and 122,501.26
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Solution
The fourth proportional to 438,022.06, 656,932.65 and 122,501.26 is: 183,723.80
Step by Step Solution
- Step 1: Write the proportion equation
438,022.06 : 656,932.65 = 122,501.26 : x - Step 2: Convert to fraction form
438,022.06/656,932.65 = 122,501.26/x - Step 3: Cross multiply
438,022.06x = 656,932.65 × 122,501.26 - Step 4: Simplify right side
438,022.06x = 80,475,077,360.14 - Step 5: Solve for x
x = 80,475,077,360.14/438,022.06 - Step 6: Final answer
x = 183,723.80
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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.