Finding the Fourth Proportional to 216,353.36, 298,547.88 and 120,846.80
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Solution
The fourth proportional to 216,353.36, 298,547.88 and 120,846.80 is: 166,757.55
Step by Step Solution
- Step 1: Write the proportion equation
216,353.36 : 298,547.88 = 120,846.80 : x - Step 2: Convert to fraction form
216,353.36/298,547.88 = 120,846.80/x - Step 3: Cross multiply
216,353.36x = 298,547.88 × 120,846.80 - Step 4: Simplify right side
216,353.36x = 36,078,555,944.78 - Step 5: Solve for x
x = 36,078,555,944.78/216,353.36 - Step 6: Final answer
x = 166,757.55
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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.