Finding the Fourth Proportional to 231,929.80, 347,894.70 and 158,201.80
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Solution
The fourth proportional to 231,929.80, 347,894.70 and 158,201.80 is: 237,302.70
Step by Step Solution
- Step 1: Write the proportion equation
231,929.80 : 347,894.70 = 158,201.80 : x - Step 2: Convert to fraction form
231,929.80/347,894.70 = 158,201.80/x - Step 3: Cross multiply
231,929.80x = 347,894.70 × 158,201.80 - Step 4: Simplify right side
231,929.80x = 55,037,567,750.46 - Step 5: Solve for x
x = 55,037,567,750.46/231,929.80 - Step 6: Final answer
x = 237,302.70
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1.5x scale
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.