Finding the Fourth Proportional to 216,154.56, 298,292.12 and 125,532.80
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Solution
The fourth proportional to 216,154.56, 298,292.12 and 125,532.80 is: 173,234.58
Step by Step Solution
- Step 1: Write the proportion equation
216,154.56 : 298,292.12 = 125,532.80 : x - Step 2: Convert to fraction form
216,154.56/298,292.12 = 125,532.80/x - Step 3: Cross multiply
216,154.56x = 298,292.12 × 125,532.80 - Step 4: Simplify right side
216,154.56x = 37,445,445,041.54 - Step 5: Solve for x
x = 37,445,445,041.54/216,154.56 - Step 6: Final answer
x = 173,234.58
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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.