Finding the Fourth Proportional to 153,010.20, 229,515.30 and 149,729.70
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Solution
The fourth proportional to 153,010.20, 229,515.30 and 149,729.70 is: 224,594.55
Step by Step Solution
- Step 1: Write the proportion equation
153,010.20 : 229,515.30 = 149,729.70 : x - Step 2: Convert to fraction form
153,010.20/229,515.30 = 149,729.70/x - Step 3: Cross multiply
153,010.20x = 229,515.30 × 149,729.70 - Step 4: Simplify right side
153,010.20x = 34,365,257,014.41 - Step 5: Solve for x
x = 34,365,257,014.41/153,010.20 - Step 6: Final answer
x = 224,594.55
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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.