Finding the Fourth Proportional to 543,029.91, 749,386.44 and 301,334.97
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Solution
The fourth proportional to 543,029.91, 749,386.44 and 301,334.97 is: 415,845.12
Step by Step Solution
- Step 1: Write the proportion equation
543,029.91 : 749,386.44 = 301,334.97 : x - Step 2: Convert to fraction form
543,029.91/749,386.44 = 301,334.97/x - Step 3: Cross multiply
543,029.91x = 749,386.44 × 301,334.97 - Step 4: Simplify right side
543,029.91x = 225,816,340,415.81 - Step 5: Solve for x
x = 225,816,340,415.81/543,029.91 - Step 6: Final answer
x = 415,845.12
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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.