Finding the Fourth Proportional to 234,257.20, 323,275.05 and 126,827.17
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Solution
The fourth proportional to 234,257.20, 323,275.05 and 126,827.17 is: 175,021.55
Step by Step Solution
- Step 1: Write the proportion equation
234,257.20 : 323,275.05 = 126,827.17 : x - Step 2: Convert to fraction form
234,257.20/323,275.05 = 126,827.17/x - Step 3: Cross multiply
234,257.20x = 323,275.05 × 126,827.17 - Step 4: Simplify right side
234,257.20x = 41,000,058,914.92 - Step 5: Solve for x
x = 41,000,058,914.92/234,257.20 - Step 6: Final answer
x = 175,021.55
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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.