Finding the Fourth Proportional to 168,271.92, 232,068.96 and 145,603.68
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Solution
The fourth proportional to 168,271.92, 232,068.96 and 145,603.68 is: 200,806.50
Step by Step Solution
- Step 1: Write the proportion equation
168,271.92 : 232,068.96 = 145,603.68 : x - Step 2: Convert to fraction form
168,271.92/232,068.96 = 145,603.68/x - Step 3: Cross multiply
168,271.92x = 232,068.96 × 145,603.68 - Step 4: Simplify right side
168,271.92x = 33,790,094,589.77 - Step 5: Solve for x
x = 33,790,094,589.77/168,271.92 - Step 6: Final answer
x = 200,806.50
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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.