Finding the Fourth Proportional to 327,709.41, 491,107.14 and 247,681.68
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Solution
The fourth proportional to 327,709.41, 491,107.14 and 247,681.68 is: 371,177.14
Step by Step Solution
- Step 1: Write the proportion equation
327,709.41 : 491,107.14 = 247,681.68 : x - Step 2: Convert to fraction form
327,709.41/491,107.14 = 247,681.68/x - Step 3: Cross multiply
327,709.41x = 491,107.14 × 247,681.68 - Step 4: Simplify right side
327,709.41x = 121,638,241,495.20 - Step 5: Solve for x
x = 121,638,241,495.20/327,709.41 - Step 6: Final answer
x = 371,177.14
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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.