Finding the Fourth Proportional to 228,798.25, 343,214.92 and 76,996.08
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Solution
The fourth proportional to 228,798.25, 343,214.92 and 76,996.08 is: 115,500.02
Step by Step Solution
- Step 1: Write the proportion equation
228,798.25 : 343,214.92 = 76,996.08 : x - Step 2: Convert to fraction form
228,798.25/343,214.92 = 76,996.08/x - Step 3: Cross multiply
228,798.25x = 343,214.92 × 76,996.08 - Step 4: Simplify right side
228,798.25x = 26,426,202,568.47 - Step 5: Solve for x
x = 26,426,202,568.47/228,798.25 - Step 6: Final answer
x = 115,500.02
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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.