Finding the Fourth Proportional to 100,006.18, 138,035.01 and 62,258.02
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Solution
The fourth proportional to 100,006.18, 138,035.01 and 62,258.02 is: 85,932.55
Step by Step Solution
- Step 1: Write the proportion equation
100,006.18 : 138,035.01 = 62,258.02 : x - Step 2: Convert to fraction form
100,006.18/138,035.01 = 62,258.02/x - Step 3: Cross multiply
100,006.18x = 138,035.01 × 62,258.02 - Step 4: Simplify right side
100,006.18x = 8,593,786,413.28 - Step 5: Solve for x
x = 8,593,786,413.28/100,006.18 - Step 6: Final answer
x = 85,932.55
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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.