Finding the Fourth Proportional to 888,581.80, 1,332,859.58 and 214,657.32
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Solution
The fourth proportional to 888,581.80, 1,332,859.58 and 214,657.32 is: 321,982.81
Step by Step Solution
- Step 1: Write the proportion equation
888,581.80 : 1,332,859.58 = 214,657.32 : x - Step 2: Convert to fraction form
888,581.80/1,332,859.58 = 214,657.32/x - Step 3: Cross multiply
888,581.80x = 1,332,859.58 × 214,657.32 - Step 4: Simplify right side
888,581.80x = 286,108,065,379.13 - Step 5: Solve for x
x = 286,108,065,379.13/888,581.80 - Step 6: Final answer
x = 321,982.81
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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.