Finding the Fourth Proportional to 195,321.80, 292,982.70 and 47,577.80
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Solution
The fourth proportional to 195,321.80, 292,982.70 and 47,577.80 is: 71,366.70
Step by Step Solution
- Step 1: Write the proportion equation
195,321.80 : 292,982.70 = 47,577.80 : x - Step 2: Convert to fraction form
195,321.80/292,982.70 = 47,577.80/x - Step 3: Cross multiply
195,321.80x = 292,982.70 × 47,577.80 - Step 4: Simplify right side
195,321.80x = 13,939,472,304.06 - Step 5: Solve for x
x = 13,939,472,304.06/195,321.80 - Step 6: Final answer
x = 71,366.70
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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.