Finding the Fourth Proportional to 205,764.92, 283,966.60 and 115,115.48
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Solution
The fourth proportional to 205,764.92, 283,966.60 and 115,115.48 is: 158,865.52
Step by Step Solution
- Step 1: Write the proportion equation
205,764.92 : 283,966.60 = 115,115.48 : x - Step 2: Convert to fraction form
205,764.92/283,966.60 = 115,115.48/x - Step 3: Cross multiply
205,764.92x = 283,966.60 × 115,115.48 - Step 4: Simplify right side
205,764.92x = 32,688,950,043.14 - Step 5: Solve for x
x = 32,688,950,043.14/205,764.92 - Step 6: Final answer
x = 158,865.52
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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.