Finding the Fourth Proportional to 322,417.73, 444,901.11 and 186,431.09
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Solution
The fourth proportional to 322,417.73, 444,901.11 and 186,431.09 is: 257,254.46
Step by Step Solution
- Step 1: Write the proportion equation
322,417.73 : 444,901.11 = 186,431.09 : x - Step 2: Convert to fraction form
322,417.73/444,901.11 = 186,431.09/x - Step 3: Cross multiply
322,417.73x = 444,901.11 × 186,431.09 - Step 4: Simplify right side
322,417.73x = 82,943,398,879.51 - Step 5: Solve for x
x = 82,943,398,879.51/322,417.73 - Step 6: Final answer
x = 257,254.46
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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.