Finding the Fourth Proportional to 269,226.27, 403,845.89 and 128,830.59
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Solution
The fourth proportional to 269,226.27, 403,845.89 and 128,830.59 is: 193,248.99
Step by Step Solution
- Step 1: Write the proportion equation
269,226.27 : 403,845.89 = 128,830.59 : x - Step 2: Convert to fraction form
269,226.27/403,845.89 = 128,830.59/x - Step 3: Cross multiply
269,226.27x = 403,845.89 × 128,830.59 - Step 4: Simplify right side
269,226.27x = 52,027,703,633.62 - Step 5: Solve for x
x = 52,027,703,633.62/269,226.27 - Step 6: Final answer
x = 193,248.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.