Finding the Fourth Proportional to 450,665.52, 621,255.84 and 343,048.08
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Solution
The fourth proportional to 450,665.52, 621,255.84 and 343,048.08 is: 472,901.99
Step by Step Solution
- Step 1: Write the proportion equation
450,665.52 : 621,255.84 = 343,048.08 : x - Step 2: Convert to fraction form
450,665.52/621,255.84 = 343,048.08/x - Step 3: Cross multiply
450,665.52x = 621,255.84 × 343,048.08 - Step 4: Simplify right side
450,665.52x = 213,120,623,100.79 - Step 5: Solve for x
x = 213,120,623,100.79/450,665.52 - Step 6: Final answer
x = 472,901.99
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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.