Finding the Fourth Proportional to 344,378.43, 475,239.09 and 191,412.69
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Solution
The fourth proportional to 344,378.43, 475,239.09 and 191,412.69 is: 264,147.77
Step by Step Solution
- Step 1: Write the proportion equation
344,378.43 : 475,239.09 = 191,412.69 : x - Step 2: Convert to fraction form
344,378.43/475,239.09 = 191,412.69/x - Step 3: Cross multiply
344,378.43x = 475,239.09 × 191,412.69 - Step 4: Simplify right side
344,378.43x = 90,966,792,610.05 - Step 5: Solve for x
x = 90,966,792,610.05/344,378.43 - Step 6: Final answer
x = 264,147.77
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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.