Finding the Fourth Proportional to 207,886.09, 286,882.83 and 112,392.76
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Solution
The fourth proportional to 207,886.09, 286,882.83 and 112,392.76 is: 155,102.02
Step by Step Solution
- Step 1: Write the proportion equation
207,886.09 : 286,882.83 = 112,392.76 : x - Step 2: Convert to fraction form
207,886.09/286,882.83 = 112,392.76/x - Step 3: Cross multiply
207,886.09x = 286,882.83 × 112,392.76 - Step 4: Simplify right side
207,886.09x = 32,243,553,060.31 - Step 5: Solve for x
x = 32,243,553,060.31/207,886.09 - Step 6: Final answer
x = 155,102.02
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1.5x scale
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.