Finding the Fourth Proportional to 173,686.20, 260,529.30 and 144,161.70
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Solution
The fourth proportional to 173,686.20, 260,529.30 and 144,161.70 is: 216,242.55
Step by Step Solution
- Step 1: Write the proportion equation
173,686.20 : 260,529.30 = 144,161.70 : x - Step 2: Convert to fraction form
173,686.20/260,529.30 = 144,161.70/x - Step 3: Cross multiply
173,686.20x = 260,529.30 × 144,161.70 - Step 4: Simplify right side
173,686.20x = 37,558,346,787.81 - Step 5: Solve for x
x = 37,558,346,787.81/173,686.20 - Step 6: Final answer
x = 216,242.55
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1.5x scale
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.