Finding the Fourth Proportional to 135,283.96, 186,675.87 and 74,846.62
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Solution
The fourth proportional to 135,283.96, 186,675.87 and 74,846.62 is: 103,279.49
Step by Step Solution
- Step 1: Write the proportion equation
135,283.96 : 186,675.87 = 74,846.62 : x - Step 2: Convert to fraction form
135,283.96/186,675.87 = 74,846.62/x - Step 3: Cross multiply
135,283.96x = 186,675.87 × 74,846.62 - Step 4: Simplify right side
135,283.96x = 13,972,057,905.06 - Step 5: Solve for x
x = 13,972,057,905.06/135,283.96 - Step 6: Final answer
x = 103,279.49
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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.