Finding the Fourth Proportional to 236,113.14, 325,831.68 and 128,683.92
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Solution
The fourth proportional to 236,113.14, 325,831.68 and 128,683.92 is: 177,581.38
Step by Step Solution
- Step 1: Write the proportion equation
236,113.14 : 325,831.68 = 128,683.92 : x - Step 2: Convert to fraction form
236,113.14/325,831.68 = 128,683.92/x - Step 3: Cross multiply
236,113.14x = 325,831.68 × 128,683.92 - Step 4: Simplify right side
236,113.14x = 41,929,297,842.59 - Step 5: Solve for x
x = 41,929,297,842.59/236,113.14 - Step 6: Final answer
x = 177,581.38
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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.