Finding the Fourth Proportional to 276,842.48, 382,042.48 and 149,518.08
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Solution
The fourth proportional to 276,842.48, 382,042.48 and 149,518.08 is: 206,334.87
Step by Step Solution
- Step 1: Write the proportion equation
276,842.48 : 382,042.48 = 149,518.08 : x - Step 2: Convert to fraction form
276,842.48/382,042.48 = 149,518.08/x - Step 3: Cross multiply
276,842.48x = 382,042.48 × 149,518.08 - Step 4: Simplify right side
276,842.48x = 57,122,258,088.04 - Step 5: Solve for x
x = 57,122,258,088.04/276,842.48 - Step 6: Final answer
x = 206,334.87
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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.