Finding the Fourth Proportional to 207,486.22, 286,335.86 and 115,611.71
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Solution
The fourth proportional to 207,486.22, 286,335.86 and 115,611.71 is: 159,546.88
Step by Step Solution
- Step 1: Write the proportion equation
207,486.22 : 286,335.86 = 115,611.71 : x - Step 2: Convert to fraction form
207,486.22/286,335.86 = 115,611.71/x - Step 3: Cross multiply
207,486.22x = 286,335.86 × 115,611.71 - Step 4: Simplify right side
207,486.22x = 33,103,777,830.86 - Step 5: Solve for x
x = 33,103,777,830.86/207,486.22 - Step 6: Final answer
x = 159,546.88
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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.