Finding the Fourth Proportional to 451,133.20, 622,589.93 and 247,184.52
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Solution
The fourth proportional to 451,133.20, 622,589.93 and 247,184.52 is: 341,128.95
Step by Step Solution
- Step 1: Write the proportion equation
451,133.20 : 622,589.93 = 247,184.52 : x - Step 2: Convert to fraction form
451,133.20/622,589.93 = 247,184.52/x - Step 3: Cross multiply
451,133.20x = 622,589.93 × 247,184.52 - Step 4: Simplify right side
451,133.20x = 153,894,593,003.88 - Step 5: Solve for x
x = 153,894,593,003.88/451,133.20 - Step 6: Final answer
x = 341,128.95
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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.