Finding the Fourth Proportional to 163,010.40, 244,515.60 and 129,549.30
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Solution
The fourth proportional to 163,010.40, 244,515.60 and 129,549.30 is: 194,323.95
Step by Step Solution
- Step 1: Write the proportion equation
163,010.40 : 244,515.60 = 129,549.30 : x - Step 2: Convert to fraction form
163,010.40/244,515.60 = 129,549.30/x - Step 3: Cross multiply
163,010.40x = 244,515.60 × 129,549.30 - Step 4: Simplify right side
163,010.40x = 31,676,824,819.08 - Step 5: Solve for x
x = 31,676,824,819.08/163,010.40 - Step 6: Final answer
x = 194,323.95
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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.