Finding the Fourth Proportional to 418,221.14, 627,299.44 and 133,941.44
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Solution
The fourth proportional to 418,221.14, 627,299.44 and 133,941.44 is: 200,901.83
Step by Step Solution
- Step 1: Write the proportion equation
418,221.14 : 627,299.44 = 133,941.44 : x - Step 2: Convert to fraction form
418,221.14/627,299.44 = 133,941.44/x - Step 3: Cross multiply
418,221.14x = 627,299.44 × 133,941.44 - Step 4: Simplify right side
418,221.14x = 84,021,391,538.19 - Step 5: Solve for x
x = 84,021,391,538.19/418,221.14 - Step 6: Final answer
x = 200,901.83
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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.