Finding the Fourth Proportional to 292,252.20, 438,135.30 and 123,901.80
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Solution
The fourth proportional to 292,252.20, 438,135.30 and 123,901.80 is: 185,749.68
Step by Step Solution
- Step 1: Write the proportion equation
292,252.20 : 438,135.30 = 123,901.80 : x - Step 2: Convert to fraction form
292,252.20/438,135.30 = 123,901.80/x - Step 3: Cross multiply
292,252.20x = 438,135.30 × 123,901.80 - Step 4: Simplify right side
292,252.20x = 54,285,752,313.54 - Step 5: Solve for x
x = 54,285,752,313.54/292,252.20 - Step 6: Final answer
x = 185,749.68
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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.