Finding the Fourth Proportional to 195,396.60, 292,220.10 and 163,903.80
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Solution
The fourth proportional to 195,396.60, 292,220.10 and 163,903.80 is: 245,121.89
Step by Step Solution
- Step 1: Write the proportion equation
195,396.60 : 292,220.10 = 163,903.80 : x - Step 2: Convert to fraction form
195,396.60/292,220.10 = 163,903.80/x - Step 3: Cross multiply
195,396.60x = 292,220.10 × 163,903.80 - Step 4: Simplify right side
195,396.60x = 47,895,984,826.38 - Step 5: Solve for x
x = 47,895,984,826.38/195,396.60 - Step 6: Final answer
x = 245,121.89
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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.