Finding the Fourth Proportional to 214,931.14, 322,645.79 and 115,285.96
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Solution
The fourth proportional to 214,931.14, 322,645.79 and 115,285.96 is: 173,062.54
Step by Step Solution
- Step 1: Write the proportion equation
214,931.14 : 322,645.79 = 115,285.96 : x - Step 2: Convert to fraction form
214,931.14/322,645.79 = 115,285.96/x - Step 3: Cross multiply
214,931.14x = 322,645.79 × 115,285.96 - Step 4: Simplify right side
214,931.14x = 37,196,529,640.11 - Step 5: Solve for x
x = 37,196,529,640.11/214,931.14 - Step 6: Final answer
x = 173,062.54
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.