Finding the Fourth Proportional to 292,078.68, 438,935.94 and 173,768.28
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Solution
The fourth proportional to 292,078.68, 438,935.94 and 173,768.28 is: 261,139.03
Step by Step Solution
- Step 1: Write the proportion equation
292,078.68 : 438,935.94 = 173,768.28 : x - Step 2: Convert to fraction form
292,078.68/438,935.94 = 173,768.28/x - Step 3: Cross multiply
292,078.68x = 438,935.94 × 173,768.28 - Step 4: Simplify right side
292,078.68x = 76,273,143,323.98 - Step 5: Solve for x
x = 76,273,143,323.98/292,078.68 - Step 6: Final answer
x = 261,139.03
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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.