Finding the Fourth Proportional to 226,533.03, 339,798.02 and 76,878.68
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Solution
The fourth proportional to 226,533.03, 339,798.02 and 76,878.68 is: 115,317.50
Step by Step Solution
- Step 1: Write the proportion equation
226,533.03 : 339,798.02 = 76,878.68 : x - Step 2: Convert to fraction form
226,533.03/339,798.02 = 76,878.68/x - Step 3: Cross multiply
226,533.03x = 339,798.02 × 76,878.68 - Step 4: Simplify right side
226,533.03x = 26,123,223,244.21 - Step 5: Solve for x
x = 26,123,223,244.21/226,533.03 - Step 6: Final answer
x = 115,317.50
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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.