Finding the Fourth Proportional to 888,226.11, 1,332,326.79 and 214,301.76
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Solution
The fourth proportional to 888,226.11, 1,332,326.79 and 214,301.76 is: 321,449.65
Step by Step Solution
- Step 1: Write the proportion equation
888,226.11 : 1,332,326.79 = 214,301.76 : x - Step 2: Convert to fraction form
888,226.11/1,332,326.79 = 214,301.76/x - Step 3: Cross multiply
888,226.11x = 1,332,326.79 × 214,301.76 - Step 4: Simplify right side
888,226.11x = 285,519,975,992.15 - Step 5: Solve for x
x = 285,519,975,992.15/888,226.11 - Step 6: Final answer
x = 321,449.65
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1.5x scale
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.