Finding the Fourth Proportional to 230,027.20, 345,040.80 and 177,539.20
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Solution
The fourth proportional to 230,027.20, 345,040.80 and 177,539.20 is: 266,308.80
Step by Step Solution
- Step 1: Write the proportion equation
230,027.20 : 345,040.80 = 177,539.20 : x - Step 2: Convert to fraction form
230,027.20/345,040.80 = 177,539.20/x - Step 3: Cross multiply
230,027.20x = 345,040.80 × 177,539.20 - Step 4: Simplify right side
230,027.20x = 61,258,267,599.36 - Step 5: Solve for x
x = 61,258,267,599.36/230,027.20 - Step 6: Final answer
x = 266,308.80
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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.