Finding the Fourth Proportional to 396,363.80, 594,544.08 and 143,585.12
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Solution
The fourth proportional to 396,363.80, 594,544.08 and 143,585.12 is: 215,377.09
Step by Step Solution
- Step 1: Write the proportion equation
396,363.80 : 594,544.08 = 143,585.12 : x - Step 2: Convert to fraction form
396,363.80/594,544.08 = 143,585.12/x - Step 3: Cross multiply
396,363.80x = 594,544.08 × 143,585.12 - Step 4: Simplify right side
396,363.80x = 85,367,683,072.09 - Step 5: Solve for x
x = 85,367,683,072.09/396,363.80 - Step 6: Final answer
x = 215,377.09
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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.