Finding the Fourth Proportional to 200,305.75, 276,421.95 and 110,881.75
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Solution
The fourth proportional to 200,305.75, 276,421.95 and 110,881.75 is: 153,016.82
Step by Step Solution
- Step 1: Write the proportion equation
200,305.75 : 276,421.95 = 110,881.75 : x - Step 2: Convert to fraction form
200,305.75/276,421.95 = 110,881.75/x - Step 3: Cross multiply
200,305.75x = 276,421.95 × 110,881.75 - Step 4: Simplify right side
200,305.75x = 30,650,149,554.41 - Step 5: Solve for x
x = 30,650,149,554.41/200,305.75 - Step 6: Final answer
x = 153,016.82
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1.5x scale
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.