Finding the Fourth Proportional to 422,102.70, 632,924.40 and 152,194.09
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Solution
The fourth proportional to 422,102.70, 632,924.40 and 152,194.09 is: 228,208.33
Step by Step Solution
- Step 1: Write the proportion equation
422,102.70 : 632,924.40 = 152,194.09 : x - Step 2: Convert to fraction form
422,102.70/632,924.40 = 152,194.09/x - Step 3: Cross multiply
422,102.70x = 632,924.40 × 152,194.09 - Step 4: Simplify right side
422,102.70x = 96,327,353,096.80 - Step 5: Solve for x
x = 96,327,353,096.80/422,102.70 - Step 6: Final answer
x = 228,208.33
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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.