Finding the Fourth Proportional to 459,449.10, 633,991.21 and 255,467.12
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Solution
The fourth proportional to 459,449.10, 633,991.21 and 255,467.12 is: 352,517.63
Step by Step Solution
- Step 1: Write the proportion equation
459,449.10 : 633,991.21 = 255,467.12 : x - Step 2: Convert to fraction form
459,449.10/633,991.21 = 255,467.12/x - Step 3: Cross multiply
459,449.10x = 633,991.21 × 255,467.12 - Step 4: Simplify right side
459,449.10x = 161,963,906,511.65 - Step 5: Solve for x
x = 161,963,906,511.65/459,449.10 - Step 6: Final answer
x = 352,517.63
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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.