Finding the Fourth Proportional to 381,842.64, 526,911.93 and 220,708.08
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Solution
The fourth proportional to 381,842.64, 526,911.93 and 220,708.08 is: 304,559.28
Step by Step Solution
- Step 1: Write the proportion equation
381,842.64 : 526,911.93 = 220,708.08 : x - Step 2: Convert to fraction form
381,842.64/526,911.93 = 220,708.08/x - Step 3: Cross multiply
381,842.64x = 526,911.93 × 220,708.08 - Step 4: Simplify right side
381,842.64x = 116,293,720,399.39 - Step 5: Solve for x
x = 116,293,720,399.39/381,842.64 - Step 6: Final answer
x = 304,559.28
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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.