Finding the Fourth Proportional to 207,712.58, 286,680.69 and 198,246.53
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Solution
The fourth proportional to 207,712.58, 286,680.69 and 198,246.53 is: 273,615.84
Step by Step Solution
- Step 1: Write the proportion equation
207,712.58 : 286,680.69 = 198,246.53 : x - Step 2: Convert to fraction form
207,712.58/286,680.69 = 198,246.53/x - Step 3: Cross multiply
207,712.58x = 286,680.69 × 198,246.53 - Step 4: Simplify right side
207,712.58x = 56,833,452,010.51 - Step 5: Solve for x
x = 56,833,452,010.51/207,712.58 - Step 6: Final answer
x = 273,615.84
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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.