Finding the Fourth Proportional to 276,294.36, 381,286.80 and 163,124.40
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Solution
The fourth proportional to 276,294.36, 381,286.80 and 163,124.40 is: 225,112.02
Step by Step Solution
- Step 1: Write the proportion equation
276,294.36 : 381,286.80 = 163,124.40 : x - Step 2: Convert to fraction form
276,294.36/381,286.80 = 163,124.40/x - Step 3: Cross multiply
276,294.36x = 381,286.80 × 163,124.40 - Step 4: Simplify right side
276,294.36x = 62,197,180,477.92 - Step 5: Solve for x
x = 62,197,180,477.92/276,294.36 - Step 6: Final answer
x = 225,112.02
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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.