Finding the Fourth Proportional to 150,125.28, 207,207.48 and 99,148.08
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Solution
The fourth proportional to 150,125.28, 207,207.48 and 99,148.08 is: 136,847.20
Step by Step Solution
- Step 1: Write the proportion equation
150,125.28 : 207,207.48 = 99,148.08 : x - Step 2: Convert to fraction form
150,125.28/207,207.48 = 99,148.08/x - Step 3: Cross multiply
150,125.28x = 207,207.48 × 99,148.08 - Step 4: Simplify right side
150,125.28x = 20,544,223,803.64 - Step 5: Solve for x
x = 20,544,223,803.64/150,125.28 - Step 6: Final answer
x = 136,847.20
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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.