Finding the Fourth Proportional to 472,299.36, 708,099.09 and 285,267.12
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Solution
The fourth proportional to 472,299.36, 708,099.09 and 285,267.12 is: 427,689.31
Step by Step Solution
- Step 1: Write the proportion equation
472,299.36 : 708,099.09 = 285,267.12 : x - Step 2: Convert to fraction form
472,299.36/708,099.09 = 285,267.12/x - Step 3: Cross multiply
472,299.36x = 708,099.09 × 285,267.12 - Step 4: Simplify right side
472,299.36x = 201,997,388,078.92 - Step 5: Solve for x
x = 201,997,388,078.92/472,299.36 - Step 6: Final answer
x = 427,689.31
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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.