Finding the Fourth Proportional to 323,124.33, 445,621.32 and 202,276.65
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Solution
The fourth proportional to 323,124.33, 445,621.32 and 202,276.65 is: 278,960.08
Step by Step Solution
- Step 1: Write the proportion equation
323,124.33 : 445,621.32 = 202,276.65 : x - Step 2: Convert to fraction form
323,124.33/445,621.32 = 202,276.65/x - Step 3: Cross multiply
323,124.33x = 445,621.32 × 202,276.65 - Step 4: Simplify right side
323,124.33x = 90,138,787,778.18 - Step 5: Solve for x
x = 90,138,787,778.18/323,124.33 - Step 6: Final answer
x = 278,960.08
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1.5x scale
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.