Finding the Fourth Proportional to 150,096.96, 207,154.08 and 86,433.12
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Solution
The fourth proportional to 150,096.96, 207,154.08 and 86,433.12 is: 119,289.38
Step by Step Solution
- Step 1: Write the proportion equation
150,096.96 : 207,154.08 = 86,433.12 : x - Step 2: Convert to fraction form
150,096.96/207,154.08 = 86,433.12/x - Step 3: Cross multiply
150,096.96x = 207,154.08 × 86,433.12 - Step 4: Simplify right side
150,096.96x = 17,904,973,455.13 - Step 5: Solve for x
x = 17,904,973,455.13/150,096.96 - Step 6: Final answer
x = 119,289.38
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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.