Finding the Fourth Proportional to 324,858.92, 487,371.39 and 125,125.67
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Solution
The fourth proportional to 324,858.92, 487,371.39 and 125,125.67 is: 187,720.48
Step by Step Solution
- Step 1: Write the proportion equation
324,858.92 : 487,371.39 = 125,125.67 : x - Step 2: Convert to fraction form
324,858.92/487,371.39 = 125,125.67/x - Step 3: Cross multiply
324,858.92x = 487,371.39 × 125,125.67 - Step 4: Simplify right side
324,858.92x = 60,982,672,931.01 - Step 5: Solve for x
x = 60,982,672,931.01/324,858.92 - Step 6: Final answer
x = 187,720.48
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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.