Finding the Fourth Proportional to 186,752.36, 280,128.38 and 68,432.96
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Solution
The fourth proportional to 186,752.36, 280,128.38 and 68,432.96 is: 102,649.38
Step by Step Solution
- Step 1: Write the proportion equation
186,752.36 : 280,128.38 = 68,432.96 : x - Step 2: Convert to fraction form
186,752.36/280,128.38 = 68,432.96/x - Step 3: Cross multiply
186,752.36x = 280,128.38 × 68,432.96 - Step 4: Simplify right side
186,752.36x = 19,170,014,223.40 - Step 5: Solve for x
x = 19,170,014,223.40/186,752.36 - Step 6: Final answer
x = 102,649.38
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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.