Finding the Fourth Proportional to 424,833.21, 586,201.23 and 243,511.77
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Solution
The fourth proportional to 424,833.21, 586,201.23 and 243,511.77 is: 336,006.92
Step by Step Solution
- Step 1: Write the proportion equation
424,833.21 : 586,201.23 = 243,511.77 : x - Step 2: Convert to fraction form
424,833.21/586,201.23 = 243,511.77/x - Step 3: Cross multiply
424,833.21x = 586,201.23 × 243,511.77 - Step 4: Simplify right side
424,833.21x = 142,746,899,093.48 - Step 5: Solve for x
x = 142,746,899,093.48/424,833.21 - Step 6: Final answer
x = 336,006.92
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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.