Finding the Fourth Proportional to 230,433.60, 345,439.80 and 195,122.28
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Solution
The fourth proportional to 230,433.60, 345,439.80 and 195,122.28 is: 292,505.09
Step by Step Solution
- Step 1: Write the proportion equation
230,433.60 : 345,439.80 = 195,122.28 : x - Step 2: Convert to fraction form
230,433.60/345,439.80 = 195,122.28/x - Step 3: Cross multiply
230,433.60x = 345,439.80 × 195,122.28 - Step 4: Simplify right side
230,433.60x = 67,403,001,378.74 - Step 5: Solve for x
x = 67,403,001,378.74/230,433.60 - Step 6: Final answer
x = 292,505.09
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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.