Finding the Fourth Proportional to 234,319.32, 351,406.35 and 84,540.13
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Solution
The fourth proportional to 234,319.32, 351,406.35 and 84,540.13 is: 126,783.99
Step by Step Solution
- Step 1: Write the proportion equation
234,319.32 : 351,406.35 = 84,540.13 : x - Step 2: Convert to fraction form
234,319.32/351,406.35 = 84,540.13/x - Step 3: Cross multiply
234,319.32x = 351,406.35 × 84,540.13 - Step 4: Simplify right side
234,319.32x = 29,707,937,633.31 - Step 5: Solve for x
x = 29,707,937,633.31/234,319.32 - Step 6: Final answer
x = 126,783.99
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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.