Finding the Fourth Proportional to 481,574.81, 722,369.28 and 228,881.09
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Solution
The fourth proportional to 481,574.81, 722,369.28 and 228,881.09 is: 343,324.98
Step by Step Solution
- Step 1: Write the proportion equation
481,574.81 : 722,369.28 = 228,881.09 : x - Step 2: Convert to fraction form
481,574.81/722,369.28 = 228,881.09/x - Step 3: Cross multiply
481,574.81x = 722,369.28 × 228,881.09 - Step 4: Simplify right side
481,574.81x = 165,336,663,432.66 - Step 5: Solve for x
x = 165,336,663,432.66/481,574.81 - Step 6: Final answer
x = 343,324.98
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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.