Finding the Fourth Proportional to 447,467.49, 617,365.80 and 253,843.07
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Solution
The fourth proportional to 447,467.49, 617,365.80 and 253,843.07 is: 350,224.39
Step by Step Solution
- Step 1: Write the proportion equation
447,467.49 : 617,365.80 = 253,843.07 : x - Step 2: Convert to fraction form
447,467.49/617,365.80 = 253,843.07/x - Step 3: Cross multiply
447,467.49x = 617,365.80 × 253,843.07 - Step 4: Simplify right side
447,467.49x = 156,714,026,898.18 - Step 5: Solve for x
x = 156,714,026,898.18/447,467.49 - Step 6: Final answer
x = 350,224.39
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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.