Finding the Fourth Proportional to 276,385.68, 381,510.72 and 163,208.88
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Solution
The fourth proportional to 276,385.68, 381,510.72 and 163,208.88 is: 225,286.41
Step by Step Solution
- Step 1: Write the proportion equation
276,385.68 : 381,510.72 = 163,208.88 : x - Step 2: Convert to fraction form
276,385.68/381,510.72 = 163,208.88/x - Step 3: Cross multiply
276,385.68x = 381,510.72 × 163,208.88 - Step 4: Simplify right side
276,385.68x = 62,265,937,319.19 - Step 5: Solve for x
x = 62,265,937,319.19/276,385.68 - Step 6: Final answer
x = 225,286.41
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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.