Finding the Fourth Proportional to 234,849.12, 351,871.02 and 157,767.66
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Solution
The fourth proportional to 234,849.12, 351,871.02 and 157,767.66 is: 236,380.99
Step by Step Solution
- Step 1: Write the proportion equation
234,849.12 : 351,871.02 = 157,767.66 : x - Step 2: Convert to fraction form
234,849.12/351,871.02 = 157,767.66/x - Step 3: Cross multiply
234,849.12x = 351,871.02 × 157,767.66 - Step 4: Simplify right side
234,849.12x = 55,513,867,447.21 - Step 5: Solve for x
x = 55,513,867,447.21/234,849.12 - Step 6: Final answer
x = 236,380.99
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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.