Finding the Fourth Proportional to 135,334.33, 186,761.75 and 74,909.14
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Solution
The fourth proportional to 135,334.33, 186,761.75 and 74,909.14 is: 103,374.82
Step by Step Solution
- Step 1: Write the proportion equation
135,334.33 : 186,761.75 = 74,909.14 : x - Step 2: Convert to fraction form
135,334.33/186,761.75 = 74,909.14/x - Step 3: Cross multiply
135,334.33x = 186,761.75 × 74,909.14 - Step 4: Simplify right side
135,334.33x = 13,990,162,077.40 - Step 5: Solve for x
x = 13,990,162,077.40/135,334.33 - Step 6: Final answer
x = 103,374.82
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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.