Finding the Fourth Proportional to 313,913.77, 433,215.81 and 177,950.36
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Solution
The fourth proportional to 313,913.77, 433,215.81 and 177,950.36 is: 245,579.90
Step by Step Solution
- Step 1: Write the proportion equation
313,913.77 : 433,215.81 = 177,950.36 : x - Step 2: Convert to fraction form
313,913.77/433,215.81 = 177,950.36/x - Step 3: Cross multiply
313,913.77x = 433,215.81 × 177,950.36 - Step 4: Simplify right side
313,913.77x = 77,090,910,430.23 - Step 5: Solve for x
x = 77,090,910,430.23/313,913.77 - Step 6: Final answer
x = 245,579.90
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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.