Finding the Fourth Proportional to 146,638.08, 202,360.68 and 79,570.08
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Solution
The fourth proportional to 146,638.08, 202,360.68 and 79,570.08 is: 109,806.78
Step by Step Solution
- Step 1: Write the proportion equation
146,638.08 : 202,360.68 = 79,570.08 : x - Step 2: Convert to fraction form
146,638.08/202,360.68 = 79,570.08/x - Step 3: Cross multiply
146,638.08x = 202,360.68 × 79,570.08 - Step 4: Simplify right side
146,638.08x = 16,101,855,496.45 - Step 5: Solve for x
x = 16,101,855,496.45/146,638.08 - Step 6: Final answer
x = 109,806.78
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.