Finding the Fourth Proportional to 221,379.46, 305,502.13 and 125,886.13
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Solution
The fourth proportional to 221,379.46, 305,502.13 and 125,886.13 is: 173,721.99
Step by Step Solution
- Step 1: Write the proportion equation
221,379.46 : 305,502.13 = 125,886.13 : x - Step 2: Convert to fraction form
221,379.46/305,502.13 = 125,886.13/x - Step 3: Cross multiply
221,379.46x = 305,502.13 × 125,886.13 - Step 4: Simplify right side
221,379.46x = 38,458,480,852.46 - Step 5: Solve for x
x = 38,458,480,852.46/221,379.46 - Step 6: Final answer
x = 173,721.99
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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.