Finding the Fourth Proportional to 197,185.07, 272,115.39 and 106,541.06
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Solution
The fourth proportional to 197,185.07, 272,115.39 and 106,541.06 is: 147,026.66
Step by Step Solution
- Step 1: Write the proportion equation
197,185.07 : 272,115.39 = 106,541.06 : x - Step 2: Convert to fraction form
197,185.07/272,115.39 = 106,541.06/x - Step 3: Cross multiply
197,185.07x = 272,115.39 × 106,541.06 - Step 4: Simplify right side
197,185.07x = 28,991,462,092.91 - Step 5: Solve for x
x = 28,991,462,092.91/197,185.07 - Step 6: Final answer
x = 147,026.66
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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.