Finding the Fourth Proportional to 434,789.97, 600,010.23 and 243,803.44
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Solution
The fourth proportional to 434,789.97, 600,010.23 and 243,803.44 is: 336,448.79
Step by Step Solution
- Step 1: Write the proportion equation
434,789.97 : 600,010.23 = 243,803.44 : x - Step 2: Convert to fraction form
434,789.97/600,010.23 = 243,803.44/x - Step 3: Cross multiply
434,789.97x = 600,010.23 × 243,803.44 - Step 4: Simplify right side
434,789.97x = 146,284,558,109.19 - Step 5: Solve for x
x = 146,284,558,109.19/434,789.97 - Step 6: Final answer
x = 336,448.79
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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.