Finding the Fourth Proportional to 221,364.93, 305,482.17 and 125,871.63
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Solution
The fourth proportional to 221,364.93, 305,482.17 and 125,871.63 is: 173,702.03
Step by Step Solution
- Step 1: Write the proportion equation
221,364.93 : 305,482.17 = 125,871.63 : x - Step 2: Convert to fraction form
221,364.93/305,482.17 = 125,871.63/x - Step 3: Cross multiply
221,364.93x = 305,482.17 × 125,871.63 - Step 4: Simplify right side
221,364.93x = 38,451,538,673.84 - Step 5: Solve for x
x = 38,451,538,673.84/221,364.93 - Step 6: Final answer
x = 173,702.03
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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.