Finding the Fourth Proportional to 207,697.19, 286,635.63 and 115,826.84
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Solution
The fourth proportional to 207,697.19, 286,635.63 and 115,826.84 is: 159,848.57
Step by Step Solution
- Step 1: Write the proportion equation
207,697.19 : 286,635.63 = 115,826.84 : x - Step 2: Convert to fraction form
207,697.19/286,635.63 = 115,826.84/x - Step 3: Cross multiply
207,697.19x = 286,635.63 × 115,826.84 - Step 4: Simplify right side
207,697.19x = 33,200,099,254.31 - Step 5: Solve for x
x = 33,200,099,254.31/207,697.19 - Step 6: Final answer
x = 159,848.57
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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.