Finding the Fourth Proportional to 211,831.36, 292,327.12 and 116,344.08
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Solution
The fourth proportional to 211,831.36, 292,327.12 and 116,344.08 is: 160,554.74
Step by Step Solution
- Step 1: Write the proportion equation
211,831.36 : 292,327.12 = 116,344.08 : x - Step 2: Convert to fraction form
211,831.36/292,327.12 = 116,344.08/x - Step 3: Cross multiply
211,831.36x = 292,327.12 × 116,344.08 - Step 4: Simplify right side
211,831.36x = 34,010,529,835.45 - Step 5: Solve for x
x = 34,010,529,835.45/211,831.36 - Step 6: Final answer
x = 160,554.74
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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.