Finding the Fourth Proportional to 451,972.94, 623,720.90 and 248,027.26
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Solution
The fourth proportional to 451,972.94, 623,720.90 and 248,027.26 is: 342,276.65
Step by Step Solution
- Step 1: Write the proportion equation
451,972.94 : 623,720.90 = 248,027.26 : x - Step 2: Convert to fraction form
451,972.94/623,720.90 = 248,027.26/x - Step 3: Cross multiply
451,972.94x = 623,720.90 × 248,027.26 - Step 4: Simplify right side
451,972.94x = 154,699,785,831.73 - Step 5: Solve for x
x = 154,699,785,831.73/451,972.94 - Step 6: Final answer
x = 342,276.65
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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.