Finding the Fourth Proportional to 232,864.06, 321,379.18 and 129,508.74
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Solution
The fourth proportional to 232,864.06, 321,379.18 and 129,508.74 is: 178,736.95
Step by Step Solution
- Step 1: Write the proportion equation
232,864.06 : 321,379.18 = 129,508.74 : x - Step 2: Convert to fraction form
232,864.06/321,379.18 = 129,508.74/x - Step 3: Cross multiply
232,864.06x = 321,379.18 × 129,508.74 - Step 4: Simplify right side
232,864.06x = 41,621,412,340.26 - Step 5: Solve for x
x = 41,621,412,340.26/232,864.06 - Step 6: Final answer
x = 178,736.95
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.