Finding the Fourth Proportional to 292,208.49, 438,451.56 and 202,389.44
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Solution
The fourth proportional to 292,208.49, 438,451.56 and 202,389.44 is: 303,680.31
Step by Step Solution
- Step 1: Write the proportion equation
292,208.49 : 438,451.56 = 202,389.44 : x - Step 2: Convert to fraction form
292,208.49/438,451.56 = 202,389.44/x - Step 3: Cross multiply
292,208.49x = 438,451.56 × 202,389.44 - Step 4: Simplify right side
292,208.49x = 88,737,963,503.27 - Step 5: Solve for x
x = 88,737,963,503.27/292,208.49 - Step 6: Final answer
x = 303,680.31
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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.