Finding the Fourth Proportional to 516,831.82, 775,247.74 and 161,873.62
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Solution
The fourth proportional to 516,831.82, 775,247.74 and 161,873.62 is: 242,810.43
Step by Step Solution
- Step 1: Write the proportion equation
516,831.82 : 775,247.74 = 161,873.62 : x - Step 2: Convert to fraction form
516,831.82/775,247.74 = 161,873.62/x - Step 3: Cross multiply
516,831.82x = 775,247.74 × 161,873.62 - Step 4: Simplify right side
516,831.82x = 125,492,158,070.62 - Step 5: Solve for x
x = 125,492,158,070.62/516,831.82 - Step 6: Final answer
x = 242,810.43
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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.