Finding the Fourth Proportional to 195,364.36, 292,831.26 and 127,815.22
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Solution
The fourth proportional to 195,364.36, 292,831.26 and 127,815.22 is: 191,581.99
Step by Step Solution
- Step 1: Write the proportion equation
195,364.36 : 292,831.26 = 127,815.22 : x - Step 2: Convert to fraction form
195,364.36/292,831.26 = 127,815.22/x - Step 3: Cross multiply
195,364.36x = 292,831.26 × 127,815.22 - Step 4: Simplify right side
195,364.36x = 37,428,291,919.78 - Step 5: Solve for x
x = 37,428,291,919.78/195,364.36 - Step 6: Final answer
x = 191,581.99
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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.