Finding the Fourth Proportional to 543,730.56, 815,146.82 and 239,908.41
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Solution
The fourth proportional to 543,730.56, 815,146.82 and 239,908.41 is: 359,664.49
Step by Step Solution
- Step 1: Write the proportion equation
543,730.56 : 815,146.82 = 239,908.41 : x - Step 2: Convert to fraction form
543,730.56/815,146.82 = 239,908.41/x - Step 3: Cross multiply
543,730.56x = 815,146.82 × 239,908.41 - Step 4: Simplify right side
543,730.56x = 195,560,576,303.21 - Step 5: Solve for x
x = 195,560,576,303.21/543,730.56 - Step 6: Final answer
x = 359,664.49
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.