Finding the Fourth Proportional to 192,178.24, 265,316.61 and 127,734.84
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Solution
The fourth proportional to 192,178.24, 265,316.61 and 127,734.84 is: 176,347.62
Step by Step Solution
- Step 1: Write the proportion equation
192,178.24 : 265,316.61 = 127,734.84 : x - Step 2: Convert to fraction form
192,178.24/265,316.61 = 127,734.84/x - Step 3: Cross multiply
192,178.24x = 265,316.61 × 127,734.84 - Step 4: Simplify right side
192,178.24x = 33,890,175,206.70 - Step 5: Solve for x
x = 33,890,175,206.70/192,178.24 - Step 6: Final answer
x = 176,347.62
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1.5x scale
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.