Finding the Fourth Proportional to 207,319.84, 286,103.41 and 115,440.41
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Solution
The fourth proportional to 207,319.84, 286,103.41 and 115,440.41 is: 159,308.90
Step by Step Solution
- Step 1: Write the proportion equation
207,319.84 : 286,103.41 = 115,440.41 : x - Step 2: Convert to fraction form
207,319.84/286,103.41 = 115,440.41/x - Step 3: Cross multiply
207,319.84x = 286,103.41 × 115,440.41 - Step 4: Simplify right side
207,319.84x = 33,027,895,379.46 - Step 5: Solve for x
x = 33,027,895,379.46/207,319.84 - Step 6: Final answer
x = 159,308.90
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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.