Finding the Fourth Proportional to 292,662.34, 439,243.49 and 208,628.08
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Solution
The fourth proportional to 292,662.34, 439,243.49 and 208,628.08 is: 313,120.32
Step by Step Solution
- Step 1: Write the proportion equation
292,662.34 : 439,243.49 = 208,628.08 : x - Step 2: Convert to fraction form
292,662.34/439,243.49 = 208,628.08/x - Step 3: Cross multiply
292,662.34x = 439,243.49 × 208,628.08 - Step 4: Simplify right side
292,662.34x = 91,638,525,394.66 - Step 5: Solve for x
x = 91,638,525,394.66/292,662.34 - Step 6: Final answer
x = 313,120.32
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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.