Finding the Fourth Proportional to 230,415.20, 345,622.80 and 97,251.20
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Solution
The fourth proportional to 230,415.20, 345,622.80 and 97,251.20 is: 145,876.80
Step by Step Solution
- Step 1: Write the proportion equation
230,415.20 : 345,622.80 = 97,251.20 : x - Step 2: Convert to fraction form
230,415.20/345,622.80 = 97,251.20/x - Step 3: Cross multiply
230,415.20x = 345,622.80 × 97,251.20 - Step 4: Simplify right side
230,415.20x = 33,612,232,047.36 - Step 5: Solve for x
x = 33,612,232,047.36/230,415.20 - Step 6: Final answer
x = 145,876.80
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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.