Finding the Fourth Proportional to 134,829.55, 202,244.33 and 126,518.95
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Solution
The fourth proportional to 134,829.55, 202,244.33 and 126,518.95 is: 189,778.43
Step by Step Solution
- Step 1: Write the proportion equation
134,829.55 : 202,244.33 = 126,518.95 : x - Step 2: Convert to fraction form
134,829.55/202,244.33 = 126,518.95/x - Step 3: Cross multiply
134,829.55x = 202,244.33 × 126,518.95 - Step 4: Simplify right side
134,829.55x = 25,587,740,275.05 - Step 5: Solve for x
x = 25,587,740,275.05/134,829.55 - Step 6: Final answer
x = 189,778.43
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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.