Finding the Fourth Proportional to 186,415.92, 279,555.84 and 68,052.24
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Solution
The fourth proportional to 186,415.92, 279,555.84 and 68,052.24 is: 102,053.52
Step by Step Solution
- Step 1: Write the proportion equation
186,415.92 : 279,555.84 = 68,052.24 : x - Step 2: Convert to fraction form
186,415.92/279,555.84 = 68,052.24/x - Step 3: Cross multiply
186,415.92x = 279,555.84 × 68,052.24 - Step 4: Simplify right side
186,415.92x = 19,024,401,117.08 - Step 5: Solve for x
x = 19,024,401,117.08/186,415.92 - Step 6: Final answer
x = 102,053.52
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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.