Finding the Fourth Proportional to 150,238.24, 207,361.68 and 99,259.36
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Solution
The fourth proportional to 150,238.24, 207,361.68 and 99,259.36 is: 136,999.66
Step by Step Solution
- Step 1: Write the proportion equation
150,238.24 : 207,361.68 = 99,259.36 : x - Step 2: Convert to fraction form
150,238.24/207,361.68 = 99,259.36/x - Step 3: Cross multiply
150,238.24x = 207,361.68 × 99,259.36 - Step 4: Simplify right side
150,238.24x = 20,582,587,645.32 - Step 5: Solve for x
x = 20,582,587,645.32/150,238.24 - Step 6: Final answer
x = 136,999.66
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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.