Finding the Fourth Proportional to 234,319.92, 351,407.18 and 84,540.74
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Solution
The fourth proportional to 234,319.92, 351,407.18 and 84,540.74 is: 126,784.88
Step by Step Solution
- Step 1: Write the proportion equation
234,319.92 : 351,407.18 = 84,540.74 : x - Step 2: Convert to fraction form
234,319.92/351,407.18 = 84,540.74/x - Step 3: Cross multiply
234,319.92x = 351,407.18 × 84,540.74 - Step 4: Simplify right side
234,319.92x = 29,708,223,038.51 - Step 5: Solve for x
x = 29,708,223,038.51/234,319.92 - Step 6: Final answer
x = 126,784.88
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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.