Finding the Fourth Proportional to 488,634.58, 674,303.97 and 273,783.70
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Solution
The fourth proportional to 488,634.58, 674,303.97 and 273,783.70 is: 377,814.92
Step by Step Solution
- Step 1: Write the proportion equation
488,634.58 : 674,303.97 = 273,783.70 : x - Step 2: Convert to fraction form
488,634.58/674,303.97 = 273,783.70/x - Step 3: Cross multiply
488,634.58x = 674,303.97 × 273,783.70 - Step 4: Simplify right side
488,634.58x = 184,613,435,831.29 - Step 5: Solve for x
x = 184,613,435,831.29/488,634.58 - Step 6: Final answer
x = 377,814.92
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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.