Finding the Fourth Proportional to 349,767.97, 482,701.80 and 211,958.96
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Solution
The fourth proportional to 349,767.97, 482,701.80 and 211,958.96 is: 292,516.70
Step by Step Solution
- Step 1: Write the proportion equation
349,767.97 : 482,701.80 = 211,958.96 : x - Step 2: Convert to fraction form
349,767.97/482,701.80 = 211,958.96/x - Step 3: Cross multiply
349,767.97x = 482,701.80 × 211,958.96 - Step 4: Simplify right side
349,767.97x = 102,312,972,724.88 - Step 5: Solve for x
x = 102,312,972,724.88/349,767.97 - Step 6: Final answer
x = 292,516.70
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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.