Finding the Fourth Proportional to 352,432.38, 486,343.67 and 191,283.96
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Solution
The fourth proportional to 352,432.38, 486,343.67 and 191,283.96 is: 263,964.80
Step by Step Solution
- Step 1: Write the proportion equation
352,432.38 : 486,343.67 = 191,283.96 : x - Step 2: Convert to fraction form
352,432.38/486,343.67 = 191,283.96/x - Step 3: Cross multiply
352,432.38x = 486,343.67 × 191,283.96 - Step 4: Simplify right side
352,432.38x = 93,029,742,162.11 - Step 5: Solve for x
x = 93,029,742,162.11/352,432.38 - Step 6: Final answer
x = 263,964.80
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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.