Finding the Fourth Proportional to 675,090.85, 1,012,673.49 and 201,813.12
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Solution
The fourth proportional to 675,090.85, 1,012,673.49 and 201,813.12 is: 302,730.81
Step by Step Solution
- Step 1: Write the proportion equation
675,090.85 : 1,012,673.49 = 201,813.12 : x - Step 2: Convert to fraction form
675,090.85/1,012,673.49 = 201,813.12/x - Step 3: Cross multiply
675,090.85x = 1,012,673.49 × 201,813.12 - Step 4: Simplify right side
675,090.85x = 204,370,796,558.19 - Step 5: Solve for x
x = 204,370,796,558.19/675,090.85 - Step 6: Final answer
x = 302,730.81
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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.