Finding the Fourth Proportional to 221,443.26, 305,590.02 and 125,949.84
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Solution
The fourth proportional to 221,443.26, 305,590.02 and 125,949.84 is: 173,809.82
Step by Step Solution
- Step 1: Write the proportion equation
221,443.26 : 305,590.02 = 125,949.84 : x - Step 2: Convert to fraction form
221,443.26/305,590.02 = 125,949.84/x - Step 3: Cross multiply
221,443.26x = 305,590.02 × 125,949.84 - Step 4: Simplify right side
221,443.26x = 38,489,014,124.60 - Step 5: Solve for x
x = 38,489,014,124.60/221,443.26 - Step 6: Final answer
x = 173,809.82
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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.