Finding the Fourth Proportional to 205,698.29, 283,887.18 and 115,077.21
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Solution
The fourth proportional to 205,698.29, 283,887.18 and 115,077.21 is: 158,819.72
Step by Step Solution
- Step 1: Write the proportion equation
205,698.29 : 283,887.18 = 115,077.21 : x - Step 2: Convert to fraction form
205,698.29/283,887.18 = 115,077.21/x - Step 3: Cross multiply
205,698.29x = 283,887.18 × 115,077.21 - Step 4: Simplify right side
205,698.29x = 32,668,943,564.59 - Step 5: Solve for x
x = 32,668,943,564.59/205,698.29 - Step 6: Final answer
x = 158,819.72
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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.