Finding the Fourth Proportional to 372,676.75, 558,718.97 and 162,167.06
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Solution
The fourth proportional to 372,676.75, 558,718.97 and 162,167.06 is: 243,121.72
Step by Step Solution
- Step 1: Write the proportion equation
372,676.75 : 558,718.97 = 162,167.06 : x - Step 2: Convert to fraction form
372,676.75/558,718.97 = 162,167.06/x - Step 3: Cross multiply
372,676.75x = 558,718.97 × 162,167.06 - Step 4: Simplify right side
372,676.75x = 90,605,813,317.09 - Step 5: Solve for x
x = 90,605,813,317.09/372,676.75 - Step 6: Final answer
x = 243,121.72
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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.