Finding the Fourth Proportional to 145,898.08, 201,340.88 and 82,235.88
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Solution
The fourth proportional to 145,898.08, 201,340.88 and 82,235.88 is: 113,486.38
Step by Step Solution
- Step 1: Write the proportion equation
145,898.08 : 201,340.88 = 82,235.88 : x - Step 2: Convert to fraction form
145,898.08/201,340.88 = 82,235.88/x - Step 3: Cross multiply
145,898.08x = 201,340.88 × 82,235.88 - Step 4: Simplify right side
145,898.08x = 16,557,444,446.77 - Step 5: Solve for x
x = 16,557,444,446.77/145,898.08 - Step 6: Final answer
x = 113,486.38
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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.