Finding the Fourth Proportional to 439,571.07, 606,575.61 and 245,953.08
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Solution
The fourth proportional to 439,571.07, 606,575.61 and 245,953.08 is: 339,397.08
Step by Step Solution
- Step 1: Write the proportion equation
439,571.07 : 606,575.61 = 245,953.08 : x - Step 2: Convert to fraction form
439,571.07/606,575.61 = 245,953.08/x - Step 3: Cross multiply
439,571.07x = 606,575.61 × 245,953.08 - Step 4: Simplify right side
439,571.07x = 149,189,139,532.38 - Step 5: Solve for x
x = 149,189,139,532.38/439,571.07 - Step 6: Final answer
x = 339,397.08
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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.