Finding the Fourth Proportional to 424,842.06, 586,338.03 and 255,087.12
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Solution
The fourth proportional to 424,842.06, 586,338.03 and 255,087.12 is: 352,053.84
Step by Step Solution
- Step 1: Write the proportion equation
424,842.06 : 586,338.03 = 255,087.12 : x - Step 2: Convert to fraction form
424,842.06/586,338.03 = 255,087.12/x - Step 3: Cross multiply
424,842.06x = 586,338.03 × 255,087.12 - Step 4: Simplify right side
424,842.06x = 149,567,279,419.17 - Step 5: Solve for x
x = 149,567,279,419.17/424,842.06 - Step 6: Final answer
x = 352,053.84
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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.