Finding the Fourth Proportional to 322,552.63, 445,177.63 and 186,669.31
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Solution
The fourth proportional to 322,552.63, 445,177.63 and 186,669.31 is: 257,635.48
Step by Step Solution
- Step 1: Write the proportion equation
322,552.63 : 445,177.63 = 186,669.31 : x - Step 2: Convert to fraction form
322,552.63/445,177.63 = 186,669.31/x - Step 3: Cross multiply
322,552.63x = 445,177.63 × 186,669.31 - Step 4: Simplify right side
322,552.63x = 83,100,998,793.65 - Step 5: Solve for x
x = 83,100,998,793.65/322,552.63 - Step 6: Final answer
x = 257,635.48
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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.