Finding the Fourth Proportional to 173,864.80, 260,797.20 and 61,671.70
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Solution
The fourth proportional to 173,864.80, 260,797.20 and 61,671.70 is: 92,507.55
Step by Step Solution
- Step 1: Write the proportion equation
173,864.80 : 260,797.20 = 61,671.70 : x - Step 2: Convert to fraction form
173,864.80/260,797.20 = 61,671.70/x - Step 3: Cross multiply
173,864.80x = 260,797.20 × 61,671.70 - Step 4: Simplify right side
173,864.80x = 16,083,806,679.24 - Step 5: Solve for x
x = 16,083,806,679.24/173,864.80 - Step 6: Final answer
x = 92,507.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.