Finding the Fourth Proportional to 201,800.25, 278,484.35 and 116,966.52
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Solution
The fourth proportional to 201,800.25, 278,484.35 and 116,966.52 is: 161,413.80
Step by Step Solution
- Step 1: Write the proportion equation
201,800.25 : 278,484.35 = 116,966.52 : x - Step 2: Convert to fraction form
201,800.25/278,484.35 = 116,966.52/x - Step 3: Cross multiply
201,800.25x = 278,484.35 × 116,966.52 - Step 4: Simplify right side
201,800.25x = 32,573,344,709.13 - Step 5: Solve for x
x = 32,573,344,709.13/201,800.25 - Step 6: Final answer
x = 161,413.80
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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.