Finding the Fourth Proportional to 239,831.96, 359,719.28 and 186,577.09
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Solution
The fourth proportional to 239,831.96, 359,719.28 and 186,577.09 is: 279,843.34
Step by Step Solution
- Step 1: Write the proportion equation
239,831.96 : 359,719.28 = 186,577.09 : x - Step 2: Convert to fraction form
239,831.96/359,719.28 = 186,577.09/x - Step 3: Cross multiply
239,831.96x = 359,719.28 × 186,577.09 - Step 4: Simplify right side
239,831.96x = 67,115,375,346.78 - Step 5: Solve for x
x = 67,115,375,346.78/239,831.96 - Step 6: Final answer
x = 279,843.34
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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.