Finding the Fourth Proportional to 668,029.84, 921,879.24 and 366,224.08
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Solution
The fourth proportional to 668,029.84, 921,879.24 and 366,224.08 is: 505,388.17
Step by Step Solution
- Step 1: Write the proportion equation
668,029.84 : 921,879.24 = 366,224.08 : x - Step 2: Convert to fraction form
668,029.84/921,879.24 = 366,224.08/x - Step 3: Cross multiply
668,029.84x = 921,879.24 × 366,224.08 - Step 4: Simplify right side
668,029.84x = 337,614,376,540.10 - Step 5: Solve for x
x = 337,614,376,540.10/668,029.84 - Step 6: Final answer
x = 505,388.17
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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.