Finding the Fourth Proportional to 276,960.80, 382,203.96 and 163,781.12
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Solution
The fourth proportional to 276,960.80, 382,203.96 and 163,781.12 is: 226,016.80
Step by Step Solution
- Step 1: Write the proportion equation
276,960.80 : 382,203.96 = 163,781.12 : x - Step 2: Convert to fraction form
276,960.80/382,203.96 = 163,781.12/x - Step 3: Cross multiply
276,960.80x = 382,203.96 × 163,781.12 - Step 4: Simplify right side
276,960.80x = 62,597,792,637.24 - Step 5: Solve for x
x = 62,597,792,637.24/276,960.80 - Step 6: Final answer
x = 226,016.80
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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.