Finding the Fourth Proportional to 207,890.92, 286,698.18 and 136,244.92
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Solution
The fourth proportional to 207,890.92, 286,698.18 and 136,244.92 is: 187,892.62
Step by Step Solution
- Step 1: Write the proportion equation
207,890.92 : 286,698.18 = 136,244.92 : x - Step 2: Convert to fraction form
207,890.92/286,698.18 = 136,244.92/x - Step 3: Cross multiply
207,890.92x = 286,698.18 × 136,244.92 - Step 4: Simplify right side
207,890.92x = 39,061,170,598.25 - Step 5: Solve for x
x = 39,061,170,598.25/207,890.92 - Step 6: Final answer
x = 187,892.62
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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.