Finding the Fourth Proportional to 68,177.13, 102,258.54 and 18,262.38
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Solution
The fourth proportional to 68,177.13, 102,258.54 and 18,262.38 is: 27,391.65
Step by Step Solution
- Step 1: Write the proportion equation
68,177.13 : 102,258.54 = 18,262.38 : x - Step 2: Convert to fraction form
68,177.13/102,258.54 = 18,262.38/x - Step 3: Cross multiply
68,177.13x = 102,258.54 × 18,262.38 - Step 4: Simplify right side
68,177.13x = 1,867,484,315.73 - Step 5: Solve for x
x = 1,867,484,315.73/68,177.13 - Step 6: Final answer
x = 27,391.65
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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.