Finding the Fourth Proportional to 386,263.33, 533,037.81 and 214,181.62
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Solution
The fourth proportional to 386,263.33, 533,037.81 and 214,181.62 is: 295,567.54
Step by Step Solution
- Step 1: Write the proportion equation
386,263.33 : 533,037.81 = 214,181.62 : x - Step 2: Convert to fraction form
386,263.33/533,037.81 = 214,181.62/x - Step 3: Cross multiply
386,263.33x = 533,037.81 × 214,181.62 - Step 4: Simplify right side
386,263.33x = 114,166,901,667.05 - Step 5: Solve for x
x = 114,166,901,667.05/386,263.33 - Step 6: Final answer
x = 295,567.54
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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.