Finding the Fourth Proportional to 178,519.70, 246,359.65 and 97,945.70
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Solution
The fourth proportional to 178,519.70, 246,359.65 and 97,945.70 is: 135,166.42
Step by Step Solution
- Step 1: Write the proportion equation
178,519.70 : 246,359.65 = 97,945.70 : x - Step 2: Convert to fraction form
178,519.70/246,359.65 = 97,945.70/x - Step 3: Cross multiply
178,519.70x = 246,359.65 × 97,945.70 - Step 4: Simplify right side
178,519.70x = 24,129,868,371.01 - Step 5: Solve for x
x = 24,129,868,371.01/178,519.70 - Step 6: Final answer
x = 135,166.42
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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.