Finding the Fourth Proportional to 230,802.20, 345,944.10 and 97,659.80
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Solution
The fourth proportional to 230,802.20, 345,944.10 and 97,659.80 is: 146,380.02
Step by Step Solution
- Step 1: Write the proportion equation
230,802.20 : 345,944.10 = 97,659.80 : x - Step 2: Convert to fraction form
230,802.20/345,944.10 = 97,659.80/x - Step 3: Cross multiply
230,802.20x = 345,944.10 × 97,659.80 - Step 4: Simplify right side
230,802.20x = 33,784,831,617.18 - Step 5: Solve for x
x = 33,784,831,617.18/230,802.20 - Step 6: Final answer
x = 146,380.02
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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.