Finding the Fourth Proportional to 167,430.60, 251,729.10 and 141,769.80
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Solution
The fourth proportional to 167,430.60, 251,729.10 and 141,769.80 is: 213,148.52
Step by Step Solution
- Step 1: Write the proportion equation
167,430.60 : 251,729.10 = 141,769.80 : x - Step 2: Convert to fraction form
167,430.60/251,729.10 = 141,769.80/x - Step 3: Cross multiply
167,430.60x = 251,729.10 × 141,769.80 - Step 4: Simplify right side
167,430.60x = 35,687,584,161.18 - Step 5: Solve for x
x = 35,687,584,161.18/167,430.60 - Step 6: Final answer
x = 213,148.52
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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.