Finding the Fourth Proportional to 180,202.12, 248,657.43 and 99,618.82
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Solution
The fourth proportional to 180,202.12, 248,657.43 and 99,618.82 is: 137,462.09
Step by Step Solution
- Step 1: Write the proportion equation
180,202.12 : 248,657.43 = 99,618.82 : x - Step 2: Convert to fraction form
180,202.12/248,657.43 = 99,618.82/x - Step 3: Cross multiply
180,202.12x = 248,657.43 × 99,618.82 - Step 4: Simplify right side
180,202.12x = 24,770,959,760.83 - Step 5: Solve for x
x = 24,770,959,760.83/180,202.12 - Step 6: Final answer
x = 137,462.09
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.