Finding the Fourth Proportional to 442,181.09, 663,271.64 and 109,757.09
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Solution
The fourth proportional to 442,181.09, 663,271.64 and 109,757.09 is: 164,635.64
Step by Step Solution
- Step 1: Write the proportion equation
442,181.09 : 663,271.64 = 109,757.09 : x - Step 2: Convert to fraction form
442,181.09/663,271.64 = 109,757.09/x - Step 3: Cross multiply
442,181.09x = 663,271.64 × 109,757.09 - Step 4: Simplify right side
442,181.09x = 72,798,764,537.14 - Step 5: Solve for x
x = 72,798,764,537.14/442,181.09 - Step 6: Final answer
x = 164,635.64
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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.