Finding the Fourth Proportional to 135,323.29, 186,744.77 and 74,894.05
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Solution
The fourth proportional to 135,323.29, 186,744.77 and 74,894.05 is: 103,353.03
Step by Step Solution
- Step 1: Write the proportion equation
135,323.29 : 186,744.77 = 74,894.05 : x - Step 2: Convert to fraction form
135,323.29/186,744.77 = 74,894.05/x - Step 3: Cross multiply
135,323.29x = 186,744.77 × 74,894.05 - Step 4: Simplify right side
135,323.29x = 13,986,071,767.15 - Step 5: Solve for x
x = 13,986,071,767.15/135,323.29 - Step 6: Final answer
x = 103,353.03
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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.