Finding the Fourth Proportional to 383,921.14, 529,822.44 and 214,151.62
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Solution
The fourth proportional to 383,921.14, 529,822.44 and 214,151.62 is: 295,535.52
Step by Step Solution
- Step 1: Write the proportion equation
383,921.14 : 529,822.44 = 214,151.62 : x - Step 2: Convert to fraction form
383,921.14/529,822.44 = 214,151.62/x - Step 3: Cross multiply
383,921.14x = 529,822.44 × 214,151.62 - Step 4: Simplify right side
383,921.14x = 113,462,333,838.35 - Step 5: Solve for x
x = 113,462,333,838.35/383,921.14 - Step 6: Final answer
x = 295,535.52
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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.